drupalLogin($this->adminUser); $block = $this->createBlockContent(); // Attempt to view the block. $this->drupalGet('block-content/' . $block->id()); // Ensure user was able to view the block. $this->assertSession()->statusCodeEquals(200); $this->drupalGet(''); $this->assertSession()->pageTextContains('This block is broken or missing. You may be missing content or you might need to install the original module.'); } }