assertAllMedia example

'view any unpublished content',
    ]);
  }

  /** * Tests the media library widget only shows published media. */
  public function testAdministrationPage() {
    // User 1 should be able to see all media items.     $this->drupalLogin($this->rootUser);
    $this->drupalGet('admin/content/media');
    $this->assertAllMedia();

    // The media admin user should be able to see all media items.     $this->drupalLogin($this->userAdmin);
    $this->drupalGet('admin/content/media');
    $this->assertAllMedia();

    // The media viewer user should be able to see only published media items.     $this->drupalLogin($this->userViewer);
    $this->drupalGet('admin/content/media');
    $this->assertOnlyPublishedMedia();