source-e2e-test: adopt CDK 0.20.4

airbyte-integrations/connectors/source-e2e-test-cloud/build.gradle

@@ -1,29 +1,17 @@
 plugins {
-    id 'application'
     id 'airbyte-java-connector'
 }
 
 airbyteJavaConnector {
-    cdkVersionRequired = '0.7.7'
+    cdkVersionRequired = '0.20.4'
     features = ['db-sources']
     useLocalCdk = false
 }
 
-//remove once upgrading the CDK version to 0.4.x or later
-java {
-    compileJava {
-        options.compilerArgs.remove("-Werror")
-    }
-}
-
-airbyteJavaConnector.addCdkDependencies()
-
 application {
     mainClass = 'io.airbyte.integrations.source.e2e_test.CloudTestingSources'
 }
 
 dependencies {
     implementation project(':airbyte-integrations:connectors:source-e2e-test')
-
-    integrationTestJavaImplementation project(':airbyte-integrations:connectors:source-e2e-test-cloud')
 }

airbyte-integrations/connectors/source-e2e-test/build.gradle

@@ -1,39 +1,32 @@
 plugins {
-    id 'application'
     id 'airbyte-java-connector'
 }
 
 airbyteJavaConnector {
-    cdkVersionRequired = '0.7.7'
+    cdkVersionRequired = '0.20.4'
     features = ['db-sources']
     useLocalCdk = false
 }
 
-//remove once upgrading the CDK version to 0.4.x or later
-java {
-    compileTestJava {
-        options.compilerArgs.remove("-Werror")
-    }
-    compileJava {
-        options.compilerArgs.remove("-Werror")
-    }
-}
-
-airbyteJavaConnector.addCdkDependencies()
-
 application {
     mainClass = 'io.airbyte.integrations.source.e2e_test.TestingSources'
 }
 
 dependencies {
-    implementation 'org.apache.commons:commons-lang3:3.11'
-    implementation 'com.networknt:json-schema-validator:1.0.72'
-
     // random Json object generation from Json schema
     // https://github.com/airbytehq/jsongenerator
     implementation 'net.jimblackler.jsonschemafriend:core:0.12.1'
-    implementation 'org.mozilla:rhino-engine:1.7.14'
     implementation group: 'com.github.airbytehq', name: 'jsongenerator', version: '1.0.2'
 
+
+    /*
+    implementation 'org.apache.commons:commons-lang3:3.11'
+    implementation 'com.networknt:json-schema-validator:1.0.72'
+
+
+    implementation 'org.mozilla:rhino-engine:1.7.14'
+
     integrationTestJavaImplementation project(':airbyte-integrations:connectors:source-e2e-test')
+
+     */
 }

airbyte-integrations/connectors/source-e2e-test/src/test/java/io/airbyte/integrations/source/e2e_test/SpeedBenchmarkSourceTest.java

@@ -98,6 +98,7 @@ void testDiscover() throws Exception {
   }
 
   @Test
+  @SuppressWarnings("try")
   void testSource() throws Exception {
     final SpeedBenchmarkSource speedBenchmarkSource = new SpeedBenchmarkSource();