Refactor ITContainers (#36613)

Author: terrymanu

test/e2e/agent/engine/src/test/java/org/apache/shardingsphere/test/e2e/agent/engine/env/AgentE2ETestEnvironment.java

@@ -114,7 +114,7 @@ public void init() {
     }
 
     private void createProxyEnvironment(final DockerITContainer agentPluginContainer) {
-        containers = new ITContainers();
+        containers = new ITContainers(null);
         ShardingSphereProxyClusterContainer proxyContainer = new ShardingSphereProxyClusterContainer(databaseType, getAdaptorContainerConfiguration());
         proxyContainer.withLogConsumer(testConfig.isLogEnabled() ? this::collectLogs : null);
         StorageContainer storageContainer = StorageContainerFactory.newInstance(
@@ -148,7 +148,7 @@ private AdaptorContainerConfiguration getAdaptorContainerConfiguration() {
     }
 
     private void createJDBCEnvironment(final DockerITContainer agentPluginContainer) {
-        containers = new ITContainers();
+        containers = new ITContainers(null);
         StorageContainer storageContainer = StorageContainerFactory.newInstance(
                 databaseType, imageConfig.getMysqlImage(), DatabaseTypedSPILoader.getService(StorageContainerConfigurationOption.class, databaseType), null);
         ShardingSphereJdbcAgentContainer jdbcAgentContainer = new ShardingSphereJdbcAgentContainer(

test/e2e/env/src/test/java/org/apache/shardingsphere/test/e2e/env/container/atomic/ITContainers.java

@@ -55,10 +55,6 @@ public final class ITContainers implements Startable {
 
     private volatile boolean started;
 
-    public ITContainers() {
-        scenario = null;
-    }
-    
     /**
      * Register container.
      *