Resolve "Implement integration tests for applications"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #347

integration-tests/application_tests/application_test.go

@@ -58,8 +58,8 @@ func TestMain(m *testing.M) {
 		fmt.Println(err.Error())
 	}
 
-	defer integration_test_utils.ApplySDNConfig(conn, ctx, defaultSDNConfig)
-	defer integration_test_utils.CleanUserAndRolesExceptAdmin(conn, ctx)
+	integration_test_utils.ApplySDNConfig(conn, ctx, defaultSDNConfig)
+	integration_test_utils.CleanUserAndRolesExceptAdmin(conn, ctx)
 
 	topics := []event.Topic{event.ManagedNetworkElement, event.User, event.Role}