else:
      case_name = f' Invocation {invocation_id}'
    case_attrib.update({'name': case_name,
                        'status': 'run', 'result': 'completed'})

    testcase = ElemTree.SubElement(testsuite, 'testcase', attrib=case_attrib)
    if status in (InvokeStatus.tests_failed, InvokeStatus.build_failed):
      if status == InvokeStatus.tests_failed:
        failure_count += 1
        elem_name = 'failure'

    status_ = TF_NewStatus();
    filesystem_ = new TF_Filesystem;
    filesystem_->plugin_filesystem = nullptr;
    // Because different tests requires different setup for filesystem. We
    // initialize filesystem in each testcase.
  }
  void TearDown() override {
    TF_DeleteStatus(status_);
    if (filesystem_->plugin_filesystem != nullptr)
      tf_gcs_filesystem::Cleanup(filesystem_);
    delete filesystem_;
  }