Add @ContextConfiguration(…) to integration tests with super classes.

Closes #3064

Author: mp911de

src/test/java/org/springframework/data/neo4j/integration/issues/gh2728/CorrectConfigIT.java

@@ -18,12 +18,14 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
 import org.springframework.data.neo4j.test.Neo4jIntegrationTest;
+import org.springframework.test.context.ContextConfiguration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 /**
  * @author Michael J. Simons
  */
 @Neo4jIntegrationTest
+@ContextConfiguration
 public class CorrectConfigIT extends AbstractTestBase {
 
 	@Configuration

src/test/java/org/springframework/data/neo4j/integration/issues/gh2728/CorrectReactiveConfigIT.java

@@ -18,12 +18,14 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.neo4j.repository.config.EnableReactiveNeo4jRepositories;
 import org.springframework.data.neo4j.test.Neo4jIntegrationTest;
+import org.springframework.test.context.ContextConfiguration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 /**
  * @author Michael J. Simons
  */
 @Neo4jIntegrationTest
+@ContextConfiguration
 public class CorrectReactiveConfigIT extends AbstractReactiveTestBase {
 
 	@Configuration

src/test/java/org/springframework/data/neo4j/integration/issues/gh2728/WrongConfigIT.java

@@ -18,12 +18,14 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
 import org.springframework.data.neo4j.test.Neo4jIntegrationTest;
+import org.springframework.test.context.ContextConfiguration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 /**
  * @author Michael J. Simons
  */
 @Neo4jIntegrationTest
+@ContextConfiguration
 public class WrongConfigIT extends AbstractTestBase {
 
 	@Configuration

src/test/java/org/springframework/data/neo4j/integration/issues/gh2728/WrongReactiveConfigIT.java

@@ -18,12 +18,14 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.neo4j.repository.config.EnableReactiveNeo4jRepositories;
 import org.springframework.data.neo4j.test.Neo4jIntegrationTest;
+import org.springframework.test.context.ContextConfiguration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 /**
  * @author Michael J. Simons
  */
 @Neo4jIntegrationTest
+@ContextConfiguration
 public class WrongReactiveConfigIT extends AbstractReactiveTestBase {
 
 	@Configuration