/**
  * @covers ::buildNoAvailablePlugins
  */
 public function testBuildNoAvailablePlugins()
 {
     $element = [];
     $form_state = $this->getMock(FormStateInterface::class);
     $form = [];
     $label = $this->randomMachineName();
     $this->sut->setLabel($label);
     $expected_build = $element + array('select' => array('message' => array('#markup' => 'There are no available options.', '#title' => $label, '#type' => 'item'), 'container' => array('#type' => 'container', 'plugin_id' => array('#type' => 'value', '#value' => NULL))));
     $this->assertEquals($expected_build, $this->sut->buildNoAvailablePlugins($element, $form_state, $form));
 }