/**
  * Test verify that theme contains available containers for widget
  */
 public function testAvailableContainers()
 {
     $themeToTest = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('\\Magento\\Theme\\Model\\Theme');
     $themeId = $themeToTest->load('Magento/blank', 'code')->getId();
     $this->block->setTheme($themeId);
     $this->assertContains('<option value="before.body.end" >', $this->block->toHtml());
 }
 /**
  * Test verify that theme contains available containers for widget
  */
 public function testAvailableContainers()
 {
     $design = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('Magento\\Framework\\View\\DesignInterface');
     $this->block->setTheme($design->getDesignTheme()->getId());
     $this->assertContains('<option value="before.body.end" >', $this->block->toHtml());
 }