Add missing code coverage whitelist for integration tests

Author: schmengler

tests/integration/phpunit.xml.dist

@@ -14,6 +14,12 @@
             <directory suffix="Test.php">../../../vendor/integer-net/magento2-rewritemap/tests/integration</directory>
         </testsuite>
     </testsuites>
+    <!-- Code coverage filters -->
+    <filter>
+        <whitelist>
+            <directory suffix=".php">../../../vendor/integer-net/magento2-rewritemap/src</directory>
+        </whitelist>
+    </filter>
     <!-- PHP INI settings and constants definition -->
     <php>
         <includePath>.</includePath>