fix: exclude test files from phpmd rules

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

phpmd.xml

@@ -12,13 +12,8 @@
   <rule ref="rulesets/codesize.xml">
     <exclude name="CyclomaticComplexity"/>
     <exclude name="NPathComplexity"/>
-    <exclude name="TooManyPublicMethods" />
-  </rule>
-  <rule ref="rulesets/codesize.xml/TooManyPublicMethods">
-    <properties>
-      <property name="excludePattern" value=".*Test\.php$" />
-    </properties>
   </rule>
+  <exclude-pattern>.*tests/.*Test\.php$</exclude-pattern>
   <rule ref="rulesets/design.xml"/>
   <rule ref="rulesets/naming.xml">
     <exclude name="ShortVariable"/>