Adding tests for SES (#129)

* Adding tests for SES

* Use Mocked responses

* Minors

* Bugfixes

* cs

Author: Nyholm

Exception/Http/HttpExceptionTrait.php

@@ -78,6 +78,9 @@ public function __construct(ResponseInterface $response)
                 // see RFC 7807 and https://jsonapi.org/format/#error-objects
                 $separator = isset($body['title'], $body['detail']) ? "\n\n" : '';
                 $message = ($body['title'] ?? '') . $separator . ($body['detail'] ?? '');
+            } elseif (isset($body['message'])) {
+                $this->awsMessage = $body['message'];
+                $message .= "\n\n" . $body['message'] . "\n\n";
             }
         } else {
             try {