diff --git a/UPGRADE.md b/UPGRADE.md
index ccf92a12b29..d20d310adcf 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1,5 +1,13 @@
 # Upgrade to 3.0
 
+## BC BREAK: PingableConnection and ServerInfoAwareConnection interfaces now extend Connection
+
+All implementations of the `PingableConnection` and `ServerInfoAwareConnection` interfaces have to implement the methods defined in the `Connection` interface as well.
+
+## BC BREAK: VersionAwarePlatformDriver interface now extends Driver
+
+All implementations of the `VersionAwarePlatformDriver` interface have to implement the methods defined in the `Driver` interface as well.
+
 ## BC BREAK: Removed Doctrine\DBAL\Version
 
 The `Doctrine\DBAL\Version` class is no longer available: please refrain from checking the DBAL version at runtime.
diff --git a/composer.json b/composer.json
index 654fde25c82..dd4d399c55d 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
         "doctrine/coding-standard": "^6.0",
         "jetbrains/phpstorm-stubs": "^2019.1",
         "phpstan/phpstan": "^0.11.3",
-        "phpunit/phpunit": "^8.4.1",
+        "phpunit/phpunit": "^9.0",
         "symfony/console": "^2.0.5|^3.0|^4.0|^5.0"
     },
     "suggest": {
diff --git a/composer.lock b/composer.lock
index 44dd508dae5..2f2e46802f5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1f3b5c09550e1e6c722e688258b181e3",
+    "content-hash": "5be45ec5a1bc11259882d3ba66538ee2",
     "packages": [
         {
             "name": "doctrine/cache",
@@ -379,16 +379,16 @@
         },
         {
             "name": "doctrine/instantiator",
-            "version": "1.2.0",
+            "version": "1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "a2c590166b2133a4633738648b6b064edae0814a"
+                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1"
             },
             "dist": {
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-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/a2c590166b2133a4633738648b6b064edae0814a",
-                "reference": "a2c590166b2133a4633738648b6b064edae0814a",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/ae466f726242e637cebdd526a7d991b9433bacf1",
+                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1",
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             },
             "require": {
@@ -431,7 +431,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2019-03-17T17:37:11+00:00"
+            "time": "2019-10-21T16:45:58+00:00"
         },
         {
             "name": "jean85/pretty-package-versions",
@@ -525,16 +525,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.3",
+            "version": "1.9.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea"
+                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/007c053ae6f31bba39dfa19a7726f56e9763bbea",
-                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/b2c28789e80a97badd14145fda39b545d83ca3ef",
+                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef",
                 "shasum": ""
             },
             "require": {
@@ -569,7 +569,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2019-08-09T12:45:53+00:00"
+            "time": "2020-01-17T21:11:47+00:00"
         },
         {
             "name": "nette/bootstrap",
@@ -1301,40 +1301,38 @@
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "4.3.2",
+            "version": "5.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "b83ff7cfcfee7827e1e78b637a5904fe6a96698e"
+                "reference": "cd72d394ca794d3466a3b2fc09d5a6c1dc86b47e"
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-                "reference": "b83ff7cfcfee7827e1e78b637a5904fe6a96698e",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/cd72d394ca794d3466a3b2fc09d5a6c1dc86b47e",
+                "reference": "cd72d394ca794d3466a3b2fc09d5a6c1dc86b47e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0",
-                "phpdocumentor/reflection-common": "^1.0.0 || ^2.0.0",
-                "phpdocumentor/type-resolver": "~0.4 || ^1.0.0",
-                "webmozart/assert": "^1.0"
+                "ext-filter": "^7.1",
+                "php": "^7.2",
+                "phpdocumentor/reflection-common": "^2.0",
+                "phpdocumentor/type-resolver": "^1.0",
+                "webmozart/assert": "^1"
             },
             "require-dev": {
-                "doctrine/instantiator": "^1.0.5",
-                "mockery/mockery": "^1.0",
-                "phpunit/phpunit": "^6.4"
+                "doctrine/instantiator": "^1",
+                "mockery/mockery": "^1"
             },
             "type": "library",
             "extra": {
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-                    "dev-master": "4.x-dev"
+                    "dev-master": "5.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "phpDocumentor\\Reflection\\": [
-                        "src/"
-                    ]
+                    "phpDocumentor\\Reflection\\": "src"
                 }
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             "notification-url": "https://packagist.org/downloads/",
@@ -1345,33 +1343,36 @@
                 {
                     "name": "Mike van Riel",
                     "email": "me@mikevanriel.com"
+                },
+                {
+                    "name": "Jaap van Otterdijk",
+                    "email": "account@ijaap.nl"
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2019-09-12T14:27:41+00:00"
+            "time": "2020-02-22T12:28:44+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "1.0.1",
+            "version": "1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9"
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-                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/7462d5f123dfc080dfdf26897032a6513644fc95",
+                "reference": "7462d5f123dfc080dfdf26897032a6513644fc95",
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             "require": {
-                "php": "^7.1",
+                "php": "^7.2",
                 "phpdocumentor/reflection-common": "^2.0"
             },
             "require-dev": {
-                "ext-tokenizer": "^7.1",
-                "mockery/mockery": "~1",
-                "phpunit/phpunit": "^7.0"
+                "ext-tokenizer": "^7.2",
+                "mockery/mockery": "~1"
             },
             "type": "library",
             "extra": {
@@ -1395,37 +1396,37 @@
                 }
             ],
             "description": "A PSR-5 based resolver of Class names, Types and Structural Element Names",
-            "time": "2019-08-22T18:11:29+00:00"
+            "time": "2020-02-18T18:59:58+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.9.0",
+            "version": "v1.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203"
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-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203",
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+                "reference": "451c3cd1418cf640de218914901e51b064abb093",
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             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
-                "sebastian/comparator": "^1.1|^2.0|^3.0",
-                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
+                "sebastian/comparator": "^1.2.3|^2.0|^3.0|^4.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0|^4.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.5|^3.2",
+                "phpspec/phpspec": "^2.5 || ^3.2",
                 "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8.x-dev"
+                    "dev-master": "1.10.x-dev"
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@@ -1458,7 +1459,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2019-10-03T11:07:50+00:00"
+            "time": "2020-03-05T15:02:03+00:00"
         },
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@@ -1584,40 +1585,41 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "7.0.8",
+            "version": "8.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "aa0d179a13284c7420fc281fc32750e6cc7c9e2f"
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                 "ext-xmlwriter": "*",
-                "php": "^7.2",
-                "phpunit/php-file-iterator": "^2.0.2",
-                "phpunit/php-text-template": "^1.2.1",
-                "phpunit/php-token-stream": "^3.1.1",
-                "sebastian/code-unit-reverse-lookup": "^1.0.1",
-                "sebastian/environment": "^4.2.2",
-                "sebastian/version": "^2.0.1",
+                "php": "^7.3",
+                "phpunit/php-file-iterator": "^3.0",
+                "phpunit/php-text-template": "^2.0",
+                "phpunit/php-token-stream": "^4.0",
+                "sebastian/code-unit-reverse-lookup": "^2.0",
+                "sebastian/environment": "^5.0",
+                "sebastian/version": "^3.0",
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             },
             "require-dev": {
-                "phpunit/phpunit": "^8.2.2"
+                "phpunit/phpunit": "^9.0"
             },
             "suggest": {
-                "ext-xdebug": "^2.7.2"
+                "ext-pcov": "*",
+                "ext-xdebug": "*"
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-                    "dev-master": "7.0-dev"
+                    "dev-master": "8.0-dev"
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@@ -1643,32 +1645,32 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-09-17T06:24:36+00:00"
+            "time": "2020-02-19T13:41:19+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "2.0.2",
+            "version": "3.0.0",
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                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
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-                "php": "^7.1"
+                "php": "^7.3"
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-                "phpunit/phpunit": "^7.1"
+                "phpunit/phpunit": "^9.0"
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                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0-dev"
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@@ -1693,26 +1695,84 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2018-09-13T20:33:42+00:00"
+            "time": "2020-02-07T06:05:22+00:00"
+        },
+        {
+            "name": "phpunit/php-invoker",
+            "version": "3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-invoker.git",
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+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.3"
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+            "require-dev": {
+                "ext-pcntl": "*",
+                "phpunit/phpunit": "^9.0"
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+            "suggest": {
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+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
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+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Invoke callables with a timeout",
+            "homepage": "https://github.com/sebastianbergmann/php-invoker/",
+            "keywords": [
+                "process"
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+            "time": "2020-02-07T06:06:11+00:00"
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-            "version": "1.2.1",
+            "version": "2.0.0",
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+                "php": "^7.3"
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+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0-dev"
+                }
+            },
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@@ -1734,32 +1794,32 @@
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-            "time": "2015-06-21T13:50:34+00:00"
+            "time": "2020-02-01T07:43:44+00:00"
         },
         {
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-            "version": "2.1.2",
+            "version": "3.0.0",
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@@ -1783,33 +1843,33 @@
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-            "time": "2019-06-07T04:22:29+00:00"
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@@ -1832,20 +1892,20 @@
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-            "time": "2019-09-17T06:23:10+00:00"
+            "time": "2020-02-07T06:19:00+00:00"
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             "require": {
-                "php": "^7.1"
+                "php": "^7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -2488,32 +2554,32 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2018-10-04T04:07:39+00:00"
+            "time": "2020-02-07T06:13:02+00:00"
         },
         {
             "name": "sebastian/type",
-            "version": "1.1.3",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/type.git",
-                "reference": "3aaaa15fa71d27650d62a948be022fe3b48541a3"
+                "reference": "9e8f42f740afdea51f5f4e8cec2035580e797ee1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/3aaaa15fa71d27650d62a948be022fe3b48541a3",
-                "reference": "3aaaa15fa71d27650d62a948be022fe3b48541a3",
+                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/9e8f42f740afdea51f5f4e8cec2035580e797ee1",
+                "reference": "9e8f42f740afdea51f5f4e8cec2035580e797ee1",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2"
+                "php": "^7.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "^8.2"
+                "phpunit/phpunit": "^9.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1-dev"
+                    "dev-master": "2.0-dev"
                 }
             },
             "autoload": {
@@ -2528,35 +2594,35 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "role": "lead",
-                    "email": "sebastian@phpunit.de"
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
             "description": "Collection of value objects that represent the types of the PHP type system",
             "homepage": "https://github.com/sebastianbergmann/type",
-            "time": "2019-07-02T08:10:15+00:00"
+            "time": "2020-02-07T06:13:43+00:00"
         },
         {
             "name": "sebastian/version",
-            "version": "2.0.1",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/version.git",
-                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019"
+                "reference": "0411bde656dce64202b39c2f4473993a9081d39e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/99732be0ddb3361e16ad77b68ba41efc8e979019",
-                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/0411bde656dce64202b39c2f4473993a9081d39e",
+                "reference": "0411bde656dce64202b39c2f4473993a9081d39e",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6"
+                "php": "^7.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -2577,7 +2643,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-10-03T07:35:21+00:00"
+            "time": "2020-01-21T06:36:37+00:00"
         },
         {
             "name": "slevomat/coding-standard",
@@ -2917,16 +2983,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.12.0",
+            "version": "v1.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "550ebaac289296ce228a706d0867afc34687e3f4"
+                "reference": "fbdeaec0df06cf3d51c93de80c7eb76e271f5a38"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/550ebaac289296ce228a706d0867afc34687e3f4",
-                "reference": "550ebaac289296ce228a706d0867afc34687e3f4",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/fbdeaec0df06cf3d51c93de80c7eb76e271f5a38",
+                "reference": "fbdeaec0df06cf3d51c93de80c7eb76e271f5a38",
                 "shasum": ""
             },
             "require": {
@@ -2938,7 +3004,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.12-dev"
+                    "dev-master": "1.14-dev"
                 }
             },
             "autoload": {
@@ -2971,7 +3037,7 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2019-08-06T08:03:45+00:00"
+            "time": "2020-01-13T11:15:53+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -3074,31 +3140,29 @@
         },
         {
             "name": "webmozart/assert",
-            "version": "1.5.0",
+            "version": "1.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4"
+                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/88e6d84706d09a236046d686bbea96f07b3a34f4",
-                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/aed98a490f9a8f78468232db345ab9cf606cf598",
+                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598",
                 "shasum": ""
             },
             "require": {
                 "php": "^5.3.3 || ^7.0",
                 "symfony/polyfill-ctype": "^1.8"
             },
+            "conflict": {
+                "vimeo/psalm": "<3.6.0"
+            },
             "require-dev": {
                 "phpunit/phpunit": "^4.8.36 || ^7.5.13"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.3-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Webmozart\\Assert\\": "src/"
@@ -3120,7 +3184,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2019-08-24T08:43:50+00:00"
+            "time": "2020-02-14T12:15:55+00:00"
         }
     ],
     "aliases": [],
diff --git a/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php b/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php
index c46ddc63dd7..0ac3c7484f7 100644
--- a/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php
+++ b/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php
@@ -4,7 +4,6 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\DBALException;
-use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\MariaDb1027Platform;
 use Doctrine\DBAL\Platforms\MySQL57Platform;
@@ -19,7 +18,7 @@
 /**
  * Abstract base implementation of the {@link Doctrine\DBAL\Driver} interface for MySQL based drivers.
  */
-abstract class AbstractMySQLDriver implements Driver, ExceptionConverterDriver, VersionAwarePlatformDriver
+abstract class AbstractMySQLDriver implements ExceptionConverterDriver, VersionAwarePlatformDriver
 {
     /**
      * {@inheritdoc}
diff --git a/lib/Doctrine/DBAL/Driver/AbstractPostgreSQLDriver.php b/lib/Doctrine/DBAL/Driver/AbstractPostgreSQLDriver.php
index 916d924980c..25b6d8e528e 100644
--- a/lib/Doctrine/DBAL/Driver/AbstractPostgreSQLDriver.php
+++ b/lib/Doctrine/DBAL/Driver/AbstractPostgreSQLDriver.php
@@ -4,7 +4,6 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\DBALException;
-use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\PostgreSQL100Platform;
 use Doctrine\DBAL\Platforms\PostgreSQL91Platform;
@@ -20,7 +19,7 @@
 /**
  * Abstract base implementation of the {@link Doctrine\DBAL\Driver} interface for PostgreSQL based drivers.
  */
-abstract class AbstractPostgreSQLDriver implements Driver, ExceptionConverterDriver, VersionAwarePlatformDriver
+abstract class AbstractPostgreSQLDriver implements ExceptionConverterDriver, VersionAwarePlatformDriver
 {
     /**
      * {@inheritdoc}
diff --git a/lib/Doctrine/DBAL/Driver/AbstractSQLAnywhereDriver.php b/lib/Doctrine/DBAL/Driver/AbstractSQLAnywhereDriver.php
index 88f26ce7def..337fcdde5dd 100644
--- a/lib/Doctrine/DBAL/Driver/AbstractSQLAnywhereDriver.php
+++ b/lib/Doctrine/DBAL/Driver/AbstractSQLAnywhereDriver.php
@@ -4,7 +4,6 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\DBALException;
-use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\SQLAnywhere11Platform;
 use Doctrine\DBAL\Platforms\SQLAnywhere12Platform;
@@ -18,7 +17,7 @@
 /**
  * Abstract base implementation of the {@link Doctrine\DBAL\Driver} interface for SAP Sybase SQL Anywhere based drivers.
  */
-abstract class AbstractSQLAnywhereDriver implements Driver, ExceptionConverterDriver, VersionAwarePlatformDriver
+abstract class AbstractSQLAnywhereDriver implements ExceptionConverterDriver, VersionAwarePlatformDriver
 {
     /**
      * {@inheritdoc}
diff --git a/lib/Doctrine/DBAL/Driver/AbstractSQLServerDriver.php b/lib/Doctrine/DBAL/Driver/AbstractSQLServerDriver.php
index 421d82b3951..fb915aaf71f 100644
--- a/lib/Doctrine/DBAL/Driver/AbstractSQLServerDriver.php
+++ b/lib/Doctrine/DBAL/Driver/AbstractSQLServerDriver.php
@@ -4,7 +4,6 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\DBALException;
-use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Platforms\SQLServer2005Platform;
 use Doctrine\DBAL\Platforms\SQLServer2008Platform;
 use Doctrine\DBAL\Platforms\SQLServer2012Platform;
@@ -17,7 +16,7 @@
 /**
  * Abstract base implementation of the {@link Doctrine\DBAL\Driver} interface for Microsoft SQL Server based drivers.
  */
-abstract class AbstractSQLServerDriver implements Driver, VersionAwarePlatformDriver
+abstract class AbstractSQLServerDriver implements VersionAwarePlatformDriver
 {
     /**
      * {@inheritdoc}
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
index 20ecd7fc86a..80362b8cff3 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
@@ -2,7 +2,6 @@
 
 namespace Doctrine\DBAL\Driver\IBMDB2;
 
-use Doctrine\DBAL\Driver\Connection;
 use Doctrine\DBAL\Driver\ResultStatement;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
@@ -25,7 +24,7 @@
 use function db2_server_info;
 use function db2_stmt_errormsg;
 
-class DB2Connection implements Connection, ServerInfoAwareConnection
+class DB2Connection implements ServerInfoAwareConnection
 {
     /** @var resource */
     private $conn = null;
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
index a9047b10ef7..5799e273418 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
@@ -2,7 +2,6 @@
 
 namespace Doctrine\DBAL\Driver\Mysqli;
 
-use Doctrine\DBAL\Driver\Connection;
 use Doctrine\DBAL\Driver\PingableConnection;
 use Doctrine\DBAL\Driver\ResultStatement;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
@@ -28,7 +27,7 @@
 use function sprintf;
 use function stripos;
 
-class MysqliConnection implements Connection, PingableConnection, ServerInfoAwareConnection
+class MysqliConnection implements PingableConnection, ServerInfoAwareConnection
 {
     /**
      * Name of the option to set connection flags
diff --git a/lib/Doctrine/DBAL/Driver/PDOConnection.php b/lib/Doctrine/DBAL/Driver/PDOConnection.php
index 995ebee6adb..04b7a5c7d6a 100644
--- a/lib/Doctrine/DBAL/Driver/PDOConnection.php
+++ b/lib/Doctrine/DBAL/Driver/PDOConnection.php
@@ -11,7 +11,7 @@
  *
  * Used by all PDO-based drivers.
  */
-class PDOConnection implements Connection, ServerInfoAwareConnection
+class PDOConnection implements ServerInfoAwareConnection
 {
     /** @var PDO */
     private $connection;
diff --git a/lib/Doctrine/DBAL/Driver/PingableConnection.php b/lib/Doctrine/DBAL/Driver/PingableConnection.php
index 06bfb9a7f26..8031b5b2f2b 100644
--- a/lib/Doctrine/DBAL/Driver/PingableConnection.php
+++ b/lib/Doctrine/DBAL/Driver/PingableConnection.php
@@ -5,7 +5,7 @@
 /**
  * An interface for connections which support a "native" ping method.
  */
-interface PingableConnection
+interface PingableConnection extends Connection
 {
     /**
      * Pings the database server to determine if the connection is still
diff --git a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
index 6c117904c58..49446f7e7f6 100644
--- a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
@@ -2,7 +2,6 @@
 
 namespace Doctrine\DBAL\Driver\SQLAnywhere;
 
-use Doctrine\DBAL\Driver\Connection;
 use Doctrine\DBAL\Driver\ResultStatement;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
@@ -27,7 +26,7 @@
 /**
  * SAP Sybase SQL Anywhere implementation of the Connection interface.
  */
-class SQLAnywhereConnection implements Connection, ServerInfoAwareConnection
+class SQLAnywhereConnection implements ServerInfoAwareConnection
 {
     /** @var resource The SQL Anywhere connection resource. */
     private $connection;
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
index caa04efce5f..e3167ced47d 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
@@ -2,7 +2,6 @@
 
 namespace Doctrine\DBAL\Driver\SQLSrv;
 
-use Doctrine\DBAL\Driver\Connection;
 use Doctrine\DBAL\Driver\ResultStatement;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
@@ -25,7 +24,7 @@
 /**
  * SQL Server implementation for the Connection interface.
  */
-class SQLSrvConnection implements Connection, ServerInfoAwareConnection
+class SQLSrvConnection implements ServerInfoAwareConnection
 {
     /** @var resource */
     protected $conn;
diff --git a/lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php b/lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php
index c97a60fa356..97e464b2400 100644
--- a/lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php
+++ b/lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php
@@ -5,7 +5,7 @@
 /**
  * Contract for a connection that is able to provide information about the server it is connected to.
  */
-interface ServerInfoAwareConnection
+interface ServerInfoAwareConnection extends Connection
 {
     /**
      * Returns the version number of the database server connected to.
diff --git a/lib/Doctrine/DBAL/VersionAwarePlatformDriver.php b/lib/Doctrine/DBAL/VersionAwarePlatformDriver.php
index a4864d0b287..3dc18a400d3 100644
--- a/lib/Doctrine/DBAL/VersionAwarePlatformDriver.php
+++ b/lib/Doctrine/DBAL/VersionAwarePlatformDriver.php
@@ -12,7 +12,7 @@
  * This interface should be implemented by drivers that are capable to do this
  * distinction.
  */
-interface VersionAwarePlatformDriver
+interface VersionAwarePlatformDriver extends Driver
 {
     /**
      * Factory method for creating the appropriate platform instance for the given version.
diff --git a/tests/Doctrine/Tests/DBAL/ConnectionTest.php b/tests/Doctrine/Tests/DBAL/ConnectionTest.php
index 9cb31486b21..5635acf8bf8 100644
--- a/tests/Doctrine/Tests/DBAL/ConnectionTest.php
+++ b/tests/Doctrine/Tests/DBAL/ConnectionTest.php
@@ -714,8 +714,8 @@ public function testCallConnectOnce() : void
      */
     public function testPlatformDetectionIsTriggerOnlyOnceOnRetrievingPlatform() : void
     {
-        /** @var Driver|VersionAwarePlatformDriver|MockObject $driverMock */
-        $driverMock = $this->createMock([Driver::class, VersionAwarePlatformDriver::class]);
+        /** @var VersionAwarePlatformDriver|MockObject $driverMock */
+        $driverMock = $this->createMock(VersionAwarePlatformDriver::class);
 
         /** @var ServerInfoAwareConnection|MockObject $driverConnectionMock */
         $driverConnectionMock = $this->createMock(ServerInfoAwareConnection::class);
@@ -843,8 +843,8 @@ public function testThrowsExceptionWhenInValidPlatformSpecified() : void
      */
     public function testRethrowsOriginalExceptionOnDeterminingPlatformWhenConnectingToNonExistentDatabase() : void
     {
-        /** @var Driver|VersionAwarePlatformDriver|MockObject $driverMock */
-        $driverMock = $this->createMock([Driver::class, VersionAwarePlatformDriver::class]);
+        /** @var VersionAwarePlatformDriver|MockObject $driverMock */
+        $driverMock = $this->createMock(VersionAwarePlatformDriver::class);
 
         $connection        = new Connection(['dbname' => 'foo'], $driverMock);
         $originalException = new Exception('Original exception');
diff --git a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
index f90f86d6eb3..c1b28fa1224 100644
--- a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
+++ b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
@@ -104,7 +104,7 @@ public static function executeDataProvider() : iterable
     public function testConvertNonTerminatedLiteral(string $sql, string $message) : void
     {
         $this->expectException(OCI8Exception::class);
-        $this->expectExceptionMessageRegExp($message);
+        $this->expectExceptionMessageMatches($message);
         OCI8Statement::convertPositionalToNamedPlaceholders($sql);
     }
 
diff --git a/tests/Doctrine/Tests/DBAL/Functional/Driver/IBMDB2/DB2StatementTest.php b/tests/Doctrine/Tests/DBAL/Functional/Driver/IBMDB2/DB2StatementTest.php
index c839d20d916..733cd59eecf 100644
--- a/tests/Doctrine/Tests/DBAL/Functional/Driver/IBMDB2/DB2StatementTest.php
+++ b/tests/Doctrine/Tests/DBAL/Functional/Driver/IBMDB2/DB2StatementTest.php
@@ -6,7 +6,6 @@
 
 use Doctrine\DBAL\Driver\IBMDB2\DB2Driver;
 use Doctrine\Tests\DbalFunctionalTestCase;
-use PHPUnit\Framework\Error\Notice;
 use function extension_loaded;
 
 class DB2StatementTest extends DbalFunctionalTestCase
@@ -33,7 +32,7 @@ public function testExecutionErrorsAreNotSuppressed() : void
         // unwrap the statement to prevent the wrapper from handling the PHPUnit-originated exception
         $wrappedStmt = $stmt->getWrappedStatement();
 
-        $this->expectException(Notice::class);
+        $this->expectNotice();
         $wrappedStmt->execute([[]]);
     }
 }
diff --git a/tests/Doctrine/Tests/DBAL/Functional/PortabilityTest.php b/tests/Doctrine/Tests/DBAL/Functional/PortabilityTest.php
index 72fb9dd2213..eb4376871c4 100644
--- a/tests/Doctrine/Tests/DBAL/Functional/PortabilityTest.php
+++ b/tests/Doctrine/Tests/DBAL/Functional/PortabilityTest.php
@@ -128,7 +128,11 @@ private function assertFetchResultRows(array $rows) : void
      */
     public function assertFetchResultRow(array $row) : void
     {
-        self::assertContains($row['test_int'], [1, 2], 'Primary key test_int should either be 1 or 2.');
+        self::assertThat($row['test_int'], self::logicalOr(
+            self::equalTo(1),
+            self::equalTo(2)
+        ));
+
         self::assertArrayHasKey('test_string', $row, 'Case should be lowered.');
         self::assertEquals(3, strlen($row['test_string']), 'test_string should be rtrimed to length of three for CHAR(32) column.');
         self::assertNull($row['test_null']);