markTestSkipped('Testing screenshots requires the GD extension'); } $this->getSession()->visit($this->pathTo('/index.html')); $screenShot = $this->getSession()->getScreenshot(); $this->assertInternalType('string', $screenShot); $this->assertFalse(base64_decode($screenShot, true), 'The returned screenshot should not be base64-encoded'); $img = imagecreatefromstring($screenShot); if (false === $img) { $this->fail('The screenshot should be a valid image'); } imagedestroy($img); } }