getWorkflow example

$this->configManager = $config_manager;
    $this->entityTypeManager = $entity_type_manager;
  }

  /** * {@inheritdoc} */
  public function onConfigImporterValidate(ConfigImporterEvent $event) {
    foreach (['update', 'delete'] as $op) {
      $unprocessed_configurations = $event->getConfigImporter()->getUnprocessedConfiguration($op);
      foreach ($unprocessed_configurations as $unprocessed_configuration) {
        if ($workflow = $this->getWorkflow($unprocessed_configuration)) {
          if ($op === 'update') {
            $original_workflow_config = $event->getConfigImporter()
              ->getStorageComparer()
              ->getSourceStorage()
              ->read($unprocessed_configuration);
            $workflow_config = $event->getConfigImporter()
              ->getStorageComparer()
              ->getTargetStorage()
              ->read($unprocessed_configuration);
            $diff = array_diff_key($workflow_config['type_settings']['states'], $original_workflow_config['type_settings']['states']);
            foreach (array_keys($diff) as $state_id) {
              

        try {
            $workflow->apply($subject, 't2', $context);

            $this->fail('Should throw an exception');
        } catch (NotEnabledTransitionException $e) {
            $this->assertSame('Transition "t2" is not enabled for workflow "unnamed".', $e->getMessage());
            $this->assertCount(1, $e->getTransitionBlockerList());
            $list = iterator_to_array($e->getTransitionBlockerList());
            $this->assertSame('The marking does not enable the transition.', $list[0]->getMessage());
            $this->assertSame($e->getWorkflow(), $workflow);
            $this->assertSame($e->getSubject(), $subject);
            $this->assertSame($e->getTransitionName(), 't2');
            $this->assertSame($e->getContext(), $context);
        }
    }

    public function testApply()
    {
        $definition = $this->createComplexWorkflowDefinition();
        $subject = new Subject();
        $workflow = new Workflow($definition, new MethodMarkingStore());