Added Constant visibility in the ruleset

Author: rmsundar1

Magento2/ruleset.xml

@@ -732,4 +732,11 @@
     <rule ref="Internal.NoCodeFound">
         <severity>0</severity>
     </rule>
+    <rule ref="PSR12.Properties.ConstantVisibility">
+        <severity>5</severity>
+        <type>warning</type>
+        <exclude-pattern>*/_files/*</exclude-pattern>
+        <exclude-pattern>*/Test/*</exclude-pattern>
+        <exclude-pattern>*Test.php</exclude-pattern>
+    </rule>
 </ruleset>