change test command & phpunit file update

.github/workflows/ci.yml

@@ -70,7 +70,7 @@ jobs:
 #      - name: Install dependencies
 #        run: composer install --prefer-dist
       - name: Run tests with phpunit
-        run: php ./phpunit
+        run: phpunit tests
 
 
 #      - name: Setup composer

phpunit.xml

@@ -15,9 +15,10 @@
             <directory>tests/Pecee/SimpleRouter/</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
+    <coverage processUncoveredFiles="true"
+              ignoreDeprecatedCodeUnits="true">
+        <include>
             <directory suffix=".php">src</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
 </phpunit>