AC-670: Create phpcs static check for LayoutTest

Author: svera

Magento2/Tests/Legacy/LayoutUnitTest.php

@@ -16,6 +16,21 @@ public function getErrorList($testFile = '')
     {
         if ($testFile === 'LayoutUnitTest.1.xml') {
             return [
+                23 => 1,
+                146 => 1,
+                149 => 1,
+            ];
+        }
+        if ($testFile === 'LayoutUnitTest.2.xml') {
+            return [
+                12 => 1,
+                29 => 1,
+            ];
+        }
+        if ($testFile === 'LayoutUnitTest.3.xml') {
+            return [
+                16 => 1,
+                19 => 1,
             ];
         }
         return [];