Issue #2287385 by neclimdul: Fixed PHPUnit coverage tests.

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 {
 

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>