Make invalid request error more clear

Author: acrobat

lib/Github/HttpClient/Plugin/GithubExceptionThrower.php

@@ -48,7 +48,7 @@ public function doHandleRequest(RequestInterface $request, callable $next, calla
             $content = ResponseMediator::getContent($response);
             if (is_array($content) && isset($content['message'])) {
                 if (400 === $response->getStatusCode()) {
-                    throw new ErrorException($content['message'], 400);
+                    throw new ErrorException(sprintf('%s (%s)', $content['message'], $response->getReasonPhrase()), 400);
                 }
 
                 if (422 === $response->getStatusCode() && isset($content['errors'])) {

test/Github/Tests/HttpClient/Plugin/GithubExceptionThrowerTest.php

@@ -92,11 +92,11 @@ public static function responseProvider()
                     ],
                     json_encode(
                         [
-                            'message' => 'Bad Request',
+                            'message' => 'Problems parsing JSON',
                         ]
                     )
                 ),
-                'exception' => new \Github\Exception\ErrorException('Bad Request', 400),
+                'exception' => new \Github\Exception\ErrorException('Problems parsing JSON (Bad Request)', 400),
             ],
             '422 Unprocessable Entity' => [
                 'response' => new Response(