- $this->assertContains('<h1>Whoops, looks like something went wrong.</h1>', $response);
- $this->assertNotContains('<h2 class="block_exception clear_fix">', $response);
+ $this->assertContains('Whoops, looks like something went wrong.', $response);
+ $this->assertNotContains('<div class="trace trace-as-html">', $response);