AC-659: Create phpcs static check for ModuleXMLTest

Author: svera

Magento2/Tests/Legacy/ModuleXMLUnitTest.1.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Magento_TestModule" active="true" version="1" />
+</config>

Magento2/Tests/Legacy/ModuleXMLUnitTest.xml renamed to Magento2/Tests/Legacy/ModuleXMLUnitTest.2.xml

@@ -6,7 +6,6 @@
  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="Magento_TestModule" active="true" version="1" />
     <module
             name="Magento_TestModule2" 
             active="true" 

Magento2/Tests/Legacy/ModuleXMLUnitTest.php

@@ -20,11 +20,18 @@ public function getErrorList()
     /**
      * @inheritdoc
      */
-    public function getWarningList()
+    public function getWarningList($testFile = '')
     {
-        return [
-            9 => 2,
-            10 => 2
-        ];
+        if ($testFile === 'ModuleXMLUnitTest.1.xml') {
+            return [
+                9 => 2,
+            ];
+        }
+        if ($testFile === 'ModuleXMLUnitTest.2.xml') {
+            return [
+                9 => 2,
+            ];
+        }
+        return [];
     }
 }