GuzzleHttp\Tests\Event\RequestExceptionTest::testCreatesClientErrorResponseException PHP Method

    public function testCreatesClientErrorResponseException()
    {
        $e = RequestException::create(new Request('GET', '/'), new Response(400));
        $this->assertContains('GET /', $e->getMessage());
        $this->assertContains('400 Bad Request', $e->getMessage());
        $this->assertInstanceOf('GuzzleHttp\\Exception\\ClientException', $e);
    }