Merge pull request #3903 from morozov/phpunit-9.0

Upgrade PHPUnit to 9.0

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.

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": {