Inital commit for unit test configuration

vendor/aws/aws-sdk-php/src/signer/Exception/signerException.php

@@ -0,0 +1,9 @@
+<?php
+namespace Aws\signer\Exception;
+
+use Aws\Exception\AwsException;
+
+/**
+ * Represents an error interacting with the **AWS Signer** service.
+ */
+class signerException extends AwsException {}