exact example

    $logger->info('Cron run completed.')->shouldBeCalled();
    // Set a flag to track when a message is logged by adding a callback     // function for each logging method.     foreach (get_class_methods(LoggerInterface::class) as $logger_method) {
      $logger->{$logger_method}(Argument::cetera())->will(function D) {
        \Drupal::state()->set('cron_test.message_logged', TRUE);
      });
    }

    // Create a logger factory to produce the resulting logger.     $logger_factory = $this->prophesize('Drupal\Core\Logger\LoggerChannelFactoryInterface');
    $logger_factory->get(Argument::exact('cron'))->willReturn($logger->reveal());

    // Create a mock time service.     $time = $this->prophesize('Drupal\Component\Datetime\TimeInterface');

    // Create a mock config factory and config object.     $config_factory = $this->prophesize(ConfigFactoryInterface::class);
    $config = $this->prophesize(ImmutableConfig::class);
    $config->get('logging')->willReturn(FALSE);
    $config_factory->get('system.cron')->willReturn($config->reveal());

    // Build the container using the resulting mock objects.

  public function testTransformWithStubSkipping() {
    $migration_plugin = $this->prophesize(MigrationInterface::class);
    $migration_plugin_manager = $this->prophesize(MigrationPluginManagerInterface::class);

    $destination_id_map = $this->prophesize(MigrateIdMapInterface::class);
    $destination_migration = $this->prophesize(MigrationInterface::class);
    $destination_migration->getIdMap()->willReturn($destination_id_map->reveal());
    $destination_id_map->lookupDestinationIds([1])->willReturn(NULL);

    // Ensure the migration plugin manager returns our migration.     $migration_plugin_manager->createInstances(Argument::exact(['destination_migration']))
      ->willReturn(['destination_migration' => $destination_migration->reveal()]);

    $configuration = [
      'no_stub' => TRUE,
      'migration' => 'destination_migration',
    ];

    $migration_plugin->id()->willReturn('actual_migration');
    $destination_migration->getDestinationPlugin(TRUE)->shouldNotBeCalled();

    $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());