/**
  * @covers ::getInfoProperty
  */
 public function testGetInfoProperty()
 {
     $this->themeManager->method('getActiveTheme')->willReturn(new ActiveTheme(['name' => 'test']));
     $element_info = new TestElementInfoManager(new \ArrayObject(), $this->cache, $this->cacheTagsInvalidator, $this->moduleHandler, $this->themeManager);
     $this->assertSame('baz', $element_info->getInfoProperty('foo', '#bar'));
     $this->assertNull($element_info->getInfoProperty('foo', '#non_existing_property'));
     $this->assertSame('qux', $element_info->getInfoProperty('foo', '#non_existing_property', 'qux'));
 }