diff --git a/core/modules/views/tests/src/Plugin/argument_default/QueryParameterTest.php b/core/modules/views/tests/src/Plugin/argument_default/QueryParameterTest.php
index 75295fe81c5a63762f0fce86951431fb789e529a..96998161b36be9c2354a74f5f75956b851251621 100644
--- a/core/modules/views/tests/src/Plugin/argument_default/QueryParameterTest.php
+++ b/core/modules/views/tests/src/Plugin/argument_default/QueryParameterTest.php
@@ -14,7 +14,7 @@
 /**
  * Tests the query parameter argument_default plugin.
  *
- * @covers \Drupal\views\Plugin\views\argument_default\QueryParameter
+ * @coversDefaultClass \Drupal\views\Plugin\views\argument_default\QueryParameter
  */
 class QueryParameterTest extends UnitTestCase {
 
diff --git a/core/phpunit.xml.dist b/core/phpunit.xml.dist
index 7b8e87c627a1ffdcf06db02089f47bc5c7bb7406..aa4acfd3e9e3be1d8be3c65965b2ebe6216c54ad 100644
--- a/core/phpunit.xml.dist
+++ b/core/phpunit.xml.dist
@@ -23,8 +23,12 @@
   </testsuites>
   <!-- Filter for coverage reports. -->
   <filter>
-    <blacklist>
-      <directory>./vendor</directory>
-    </blacklist>
+    <whitelist>
+      <directory>./includes</directory>
+      <directory>./lib</directory>
+      <directory>./modules</directory>
+      <directory>../modules</directory>
+      <directory>../sites</directory>
+     </whitelist>
   </filter>
 </phpunit>