Updated license header and fixed integration tests for github action

.github/license-header.txt

@@ -1,13 +1,11 @@
 /**
- * Elasticsearch PHP client
+ * Elasticsearch PHP Client
  *
- * @link      https://github.com/elastic/elasticsearch-php/
+ * @link      https://github.com/elastic/elasticsearch-php
  * @copyright Copyright (c) Elasticsearch B.V (https://www.elastic.co)
- * @license   http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
- * @license   https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License, Version 2.1
+ * @license   https://opensource.org/licenses/MIT MIT License
  *
  * Licensed to Elasticsearch B.V under one or more agreements.
- * Elasticsearch B.V licenses this file to you under the Apache 2.0 License or
- * the GNU Lesser General Public License, Version 2.1, at your option.
+ * Elasticsearch B.V licenses this file to you under the MIT License.
  * See the LICENSE file in the project root for more information.
  */

.github/workflows/test.yml

@@ -47,8 +47,6 @@ jobs:
     - name: Unit tests
       run: |
         composer run-script test
-      env:
-        TEST_SUITE: free
 
     - name: Configure sysctl limits
       run: |
@@ -64,4 +62,6 @@ jobs:
 
     - name: Integration tests
       run: |
-        composer run-script integration-test     
+        composer run-script integration-test   
+      env:
+        TEST_SUITE: free