/**
  * @covers ::buildSelector
  */
 public function testBuildSelector()
 {
     $this->stringTranslation->expects($this->any())->method('translate')->willReturnArgument(0);
     $method = new \ReflectionMethod($this->sut, 'buildSelector');
     $method->setAccessible(TRUE);
     $plugin_id = $this->randomMachineName();
     $plugin_label = $this->randomMachineName();
     $plugin = $this->getMock(PluginInspectionInterface::class);
     $plugin->expects($this->any())->method('getPluginId')->willReturn($plugin_id);
     $plugin->expects($this->any())->method('getPluginLabel')->willReturn($plugin_label);
     $this->sut->setSelectedPlugin($plugin);
     $element = array('#parents' => array('foo', 'bar'));
     $form_state = $this->getMock(FormStateInterface::class);
     $available_plugins = array($plugin);
     $expected_build_change = array('#ajax' => array('callback' => array(AdvancedPluginSelectorBase::class, 'ajaxRebuildForm')), '#attributes' => array('class' => array('js-hide')), '#limit_validation_errors' => array(array('foo', 'bar', 'select', 'plugin_id')), '#name' => 'foo[bar][select][container][change]', '#submit' => [[AdvancedPluginSelectorBase::class, 'rebuildForm']], '#type' => 'submit', '#value' => 'Choose');
     $build = $method->invokeArgs($this->sut, array($element, $form_state, $available_plugins));
     $this->assertArrayHasKey('plugin_id', $build['container']);
     $this->assertEquals($expected_build_change, $build['container']['change']);
     $this->assertSame('container', $build['container']['#type']);
 }