Changes to Trigger tests on deployment

added the new optional request property test_selection/credentials

added the optional property test_selection/credentials to the response with the 201 status

added the optional property test_selection/resolved_tests to the response with the 201 status

added the new optional request property test_selection/retry_failed_tests

added the optional property test_selection/retry_failed_tests to the response with the 201 status

added the new optional request property test_selection

added the optional property link_warning to the response with the 201 status

added the optional property test_selection to the response with the 201 status