public function BlockPlacementBlacklistTest::testBlockRestriction in Layout Builder Restrictions 8.2

Verify that the UI can restrict blocks in Layout Builder settings tray.

File

modules/layout_builder_restrictions_by_region/tests/src/FunctionalJavascript/BlockPlacementBlacklistTest.php, line 174

Class

BlockPlacementBlacklistTest

Demonstrate that blocks can be individually restricted.

Namespace

Drupal\Tests\layout_builder_restrictions_by_region\FunctionalJavascript

Code

public function testBlockRestriction() {
  $blocks = $this
    ->generateTestBlocks();
  $node_id = $this
    ->generateTestNode();
  $assert_session = $this
    ->assertSession();
  $page = $this
    ->getSession()
    ->getPage();

  // Only allow two-column layout.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-layouts"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-layouts-layout-restriction-restricted"]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-layouts-layouts-layout-twocol-section"]');
  $element
    ->click();

  // Switch to per-region restriction.
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-restriction-behavior-per-region"]');
  $element
    ->click();
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="first"]', 'Restricted');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="second"]', 'Unrestricted');
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);

  // Remove default one-column layout and replace with two-column layout.
  $this
    ->clickLink('Remove Section 1');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Remove');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $this
    ->clickLink('Add section');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $this
    ->clickLink('Two column');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $element = $page
    ->find('xpath', '//*[contains(@class, "ui-dialog-off-canvas")]//*[starts-with(@id,"edit-actions-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();

  // Select 'Add block' link in First region.
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();

  // Initially, the body field is available.
  $assert_session
    ->linkExists('Body');

  // Initially, custom blocks instances are available.
  $assert_session
    ->linkExists('Basic Block 1');
  $assert_session
    ->linkExists('Basic Block 2');
  $assert_session
    ->linkExists('Alternate Block 1');

  // Initially, all inline block types are allowed.
  $this
    ->clickLink('Create custom block');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Basic');
  $assert_session
    ->linkExists('Alternate');
  $page
    ->pressButton('Close');
  $page
    ->pressButton('Save');

  // Load Allowed Blocks form for First region.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-restriction-behavior-per-region"]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="first"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();

  // Impose Custom Block type restrictions.
  $assert_session
    ->checkboxChecked('Allow all existing & new Content fields blocks.');
  $assert_session
    ->checkboxNotChecked('Restrict specific Content fields blocks:');
  $assert_session
    ->checkboxChecked('Allow all existing & new Custom block types blocks.');
  $assert_session
    ->checkboxNotChecked('Restrict specific Custom block types blocks:');

  // Set 'Content' fields to blacklisted, but do not restrict.
  $element = $page
    ->find('xpath', '//*[contains(@class, "form-item-allowed-blocks-content-fields-restriction")]/input[@value="blacklisted"]');
  $element
    ->click();

  // Set block types to blacklisted, but do not restrict.
  $element = $page
    ->find('xpath', '//*[contains(@class, "form-item-allowed-blocks-custom-block-types-restriction")]/input[@value="blacklisted"]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);

  // Select 'Add block' link in First region.
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Body');
  $assert_session
    ->linkExists('Basic Block 1');
  $assert_session
    ->linkExists('Basic Block 2');
  $assert_session
    ->linkExists('Alternate Block 1');

  // Inline block types are still allowed.
  $this
    ->clickLink('Create custom block');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Basic');
  $assert_session
    ->linkExists('Alternate');

  // Impose Inline Block type & Content restrictions.
  // Load Allowed Blocks form for First region.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="first"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->checkboxChecked('Restrict specific Content fields blocks:');
  $assert_session
    ->checkboxNotChecked('Allow all existing & new Content fields blocks.');
  $assert_session
    ->checkboxChecked('Allow all existing & new Inline blocks blocks.');
  $assert_session
    ->checkboxNotChecked('Restrict specific Inline blocks blocks:');

  // Blacklist inline, custom, and content blocks.
  $element = $page
    ->find('xpath', '//*[starts-with(@id, "edit-allowed-blocks-inline-blocks-restriction-blacklisted--")]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[starts-with(@id, "edit-allowed-blocks-custom-blocks-restriction-blacklisted--")]');
  $element
    ->click();
  $inline_blocks = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-inline-blocks-allowed-blocks-inline-block")]');
  foreach ($inline_blocks as $block) {
    $block
      ->click();
  }
  $content_fields = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-content-fields-allowed-blocks-")]');
  foreach ($content_fields as $block) {
    $block
      ->click();
  }
  $custom_blocks = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-custom-blocks-allowed-blocks-")]');
  foreach ($custom_blocks as $block) {
    $block
      ->click();
  }
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');

  // Check independent restrictions on Custom block and Inline blocks.
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkNotExists('Body');
  $assert_session
    ->linkNotExists('Basic Block 1');
  $assert_session
    ->linkNotExists('Basic Block 2');
  $assert_session
    ->linkNotExists('Alternate Block 1');

  // Inline block types are not longer allowed.
  $assert_session
    ->linkNotExists('Create custom block');

  // Blacklist some blocks / block types.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="first"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->checkboxChecked('Restrict specific Content fields blocks:');

  // Un-blaclist the 'body' field as an option.
  $page
    ->uncheckField('allowed_blocks[Content fields][allowed_blocks][field_block:node:bundle_with_section_field:body]');

  // Un-blacklist "basic" Custom block types.
  $page
    ->uncheckField('allowed_blocks[Custom block types][allowed_blocks][basic]');

  // Un-blacklist all custom blocks.
  $custom_blocks = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-custom-blocks-allowed-blocks-")]');
  foreach ($custom_blocks as $block) {
    $block
      ->click();
  }

  // Un-blacklist "alternate" Inline block type.
  $page
    ->uncheckField('allowed_blocks[Inline blocks][allowed_blocks][inline_block:alternate]');
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeSettingsTray($node_id);
  $assert_session
    ->linkExists('Body');

  // ... but other 'content' fields aren't.
  $assert_session
    ->linkNotExists('Promoted to front page');
  $assert_session
    ->linkNotExists('Sticky at top of lists');

  // "Basic" Custom blocks are allowed.
  $assert_session
    ->linkExists('Basic Block 1');
  $assert_session
    ->linkExists('Basic Block 2');

  // Only the basic inline block type is allowed.
  $this
    ->clickLink('Create custom block');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkNotExists('Basic');
  $assert_session
    ->linkExists('Alternate');

  // Custom block instances take precedence over custom block type setting.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="first"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $element = $page
    ->find('xpath', '//*[starts-with(@id, "edit-allowed-blocks-custom-blocks-restriction-blacklisted--")]');
  $element
    ->click();
  $custom_blocks = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-custom-blocks-allowed-blocks-")]');
  foreach ($custom_blocks as $block) {
    $block
      ->click();
  }

  // Allow Alternate Block 1.
  $page
    ->uncheckField('allowed_blocks[Custom blocks][allowed_blocks][block_content:' . $blocks['Alternate Block 1'] . ']');

  // Allow Basic Block 1.
  $page
    ->uncheckField('allowed_blocks[Custom blocks][allowed_blocks][block_content:' . $blocks['Basic Block 1'] . ']');
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Basic Block 1');
  $assert_session
    ->linkNotExists('Basic Block 2');
  $assert_session
    ->linkExists('Alternate Block 1');

  // Next, add restrictions to another region and verify no contamination
  // between regions.
  // Add restriction to Second region.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="second"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();

  // System blocks are disallowed.
  $element = $page
    ->find('xpath', '//*[starts-with(@id, "edit-allowed-blocks-system-restriction-whitelisted--")]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Powered by Drupal');
  $page
    ->pressButton('Close');
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--second")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkNotExists('Powered by Drupal');
  $page
    ->pressButton('Close');

  // Next, allow a three-column layout and verify no contamination.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-layouts"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-layouts-layouts-layout-threecol-section"]');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section"]/summary');
  $element
    ->click();

  // Restrict on a per-region basis.
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-restriction-behavior-per-region"]');
  $element
    ->click();
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="first"]', 'First');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="first"]', 'Unrestricted');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="second"]', 'Second');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="second"]', 'Unrestricted');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="third"]', 'Third');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="third"]', 'Unrestricted');

  // Manage restrictions for First region.
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="first"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->checkboxChecked('Allow all existing & new Content fields blocks.');
  $assert_session
    ->checkboxNotChecked('Allow specific Content fields blocks:');
  $assert_session
    ->checkboxChecked('Allow all existing & new Custom blocks blocks.');
  $assert_session
    ->checkboxNotChecked('Allow specific Custom blocks blocks:');
  $assert_session
    ->checkboxChecked('Allow all existing & new Inline blocks blocks.');
  $assert_session
    ->checkboxNotChecked('Allow specific Inline blocks blocks:');
  $assert_session
    ->checkboxChecked('Allow all existing & new System blocks.');
  $assert_session
    ->checkboxNotChecked('Allow specific System blocks:');
  $assert_session
    ->checkboxChecked('Allow all existing & new core blocks.');
  $assert_session
    ->checkboxNotChecked('Allow specific core blocks:');

  // Disallow Core blocks in the ThreeCol first region.
  $element = $page
    ->find('xpath', '//*[starts-with(@id, "edit-allowed-blocks-core-restriction-blacklisted--")]');
  $element
    ->click();
  $core_blocks = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-core-blocks-allowed-blocks-")]');
  foreach ($core_blocks as $block) {
    $block
      ->click();
  }
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="third"]', 'Third');
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-threecol-section-table"]/tbody/tr[@data-region="third"]', 'Restricted');
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Primary admin actions');
  $page
    ->pressButton('Close');
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout__region--second")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Primary admin actions');
  $page
    ->pressButton('Close');

  // Add three-column layout below existing section.
  $element = $page
    ->find('xpath', '//*[@data-layout-builder-highlight-id="section-1"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $this
    ->clickLink('Three column');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $element = $page
    ->find('xpath', '//*[contains(@class, "ui-dialog-off-canvas")]//*[starts-with(@id,"edit-actions-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
  $this
    ->navigateToNodeLayout($node_id);

  // Verify core blocks are unavailable to First region in
  // three-column layout.
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout--threecol-section")]/*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->linkNotExists('Primary admin actions');

  // Finally, test all_regions functionality.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();

  // Switch Two-column layout restrictions to all regions.
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-restriction-behavior-all"]');
  $element
    ->click();
  $assert_session
    ->elementContains('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="all_regions"]', 'Unrestricted');
  $page
    ->pressButton('Save');

  // Verify no restrictions.
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout--twocol-section")]/*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Promoted to front page');
  $page
    ->pressButton('Close');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout--twocol-section")]/*[contains(@class, "layout__region--second")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkExists('Promoted to front page');
  $page
    ->pressButton('Close');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');

  // Add a restriction for all_regions.
  $this
    ->navigateToManageDisplay();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section"]/summary');
  $element
    ->click();
  $element = $page
    ->find('xpath', '//*[@id="edit-layout-builder-restrictions-allowed-blocks-by-layout-layout-twocol-section-table"]/tbody/tr[@data-region="all_regions"]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->checkboxChecked('Allow all existing & new Content fields blocks.');
  $assert_session
    ->checkboxNotChecked('Restrict specific Content fields blocks:');
  $element = $page
    ->find('xpath', '//*[contains(@class, "form-item-allowed-blocks-content-fields-restriction")]/input[@value="blacklisted"]');
  $element
    ->click();
  $content_fields = $page
    ->findAll('xpath', '//*[starts-with(@id, "edit-allowed-blocks-content-fields-allowed-blocks-")]');
  foreach ($content_fields as $block) {
    $block
      ->click();
  }
  $element = $page
    ->find('xpath', '//*[starts-with(@id,"edit-submit--")]');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');

  // Verify restrictions applied to both regions.
  $this
    ->navigateToNodeLayout($node_id);
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout--twocol-section")]/*[contains(@class, "layout__region--first")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkNotExists('Promoted to front page');
  $page
    ->pressButton('Close');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $element = $page
    ->find('xpath', '//*[contains(@class, "layout--twocol-section")]/*[contains(@class, "layout__region--second")]//a');
  $element
    ->click();
  $assert_session
    ->assertWaitOnAjaxRequest();
  $assert_session
    ->linkNotExists('Promoted to front page');
  $page
    ->pressButton('Close');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $page
    ->pressButton('Save');
}