ACP2E-2977: Implement Static test which will check for no usage of object manager in .phtml files

Author: veloraven

Diff for: Magento2/Tests/Templates/ObjectManager.1.phtml.inc renamed to Magento2/Tests/Templates/ObjectManagerUnitTest.1.phtml.inc

@@ -27,7 +27,7 @@ class ObjectManagerUnitTest extends AbstractSniffUnitTest
      */
     public function getWarningList($filename = '')
     {
-        if ($filename === 'ObjectManager.1.phtml.inc') {
+        if ($filename === 'ObjectManagerUnitTest.1.phtml.inc') {
             return [
                 18 => 1
             ];