Added vendor directory to source control

vendor/aws/aws-crt-php/tests/ErrorTest.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+use AWS\CRT\CRT;
+
+final class ErrorTest extends PHPUnit_Framework_TestCase {
+
+    public function testNoInitialError() {
+        $this->assertEquals(0, CRT::last_error());
+    }
+
+    public function testCanResolveErrorName() {
+        $this->assertEquals("AWS_ERROR_SUCCESS", CRT::error_name(0));
+    }
+
+    public function testCanResolveErrorStr() {
+        $this->assertEquals("Success.", CRT::error_str(0));
+    }
+}