Move logic outside exception (#933)

* Move logic outside exception

* Explain why `defineResolveStatus` does not instanciate exception

Author: jderusse

src/LambdaClient.php

@@ -3,6 +3,8 @@
 namespace AsyncAws\Lambda;
 
 use AsyncAws\Core\AbstractApi;
+use AsyncAws\Core\AwsError\AwsErrorFactoryInterface;
+use AsyncAws\Core\AwsError\JsonRestAwsErrorFactory;
 use AsyncAws\Core\Configuration;
 use AsyncAws\Core\RequestContext;
 use AsyncAws\Lambda\Enum\InvocationType;
@@ -123,6 +125,11 @@ public function publishLayerVersion($input): PublishLayerVersionResponse
         return new PublishLayerVersionResponse($response);
     }
 
+    protected function getAwsErrorFactory(): AwsErrorFactoryInterface
+    {
+        return new JsonRestAwsErrorFactory();
+    }
+
     protected function getEndpointMetadata(?string $region): array
     {
         if (null === $region) {