Update phpunit.xml.dist

Author: divineniiquaye

phpunit.xml.dist

@@ -11,9 +11,6 @@
          colors="true"
          verbose="true"
          executionOrder="default"
-         processIsolation="false"
-         stopOnFailure="false"
-         stopOnError="false"
 >
     <testsuites>
         <testsuite name="PHP Library Starter Test Suite">
@@ -22,8 +19,8 @@
     </testsuites>
 
     <filter>
-        <whitelist>
-            <directory>src</directory>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">src</directory>
         </whitelist>
     </filter>
 </phpunit>