diff --git a/.travis/RoboFile.php b/.travis/RoboFile.php
index aee7b71..8d092e2 100644
--- a/.travis/RoboFile.php
+++ b/.travis/RoboFile.php
@@ -196,7 +196,7 @@ protected function runUnitTests()
             ->copy('.travis/config/phpunit.xml', 'web/core/phpunit.xml', $force);
         $tasks[] = $this->taskExecStack()
             ->dir('web')
-            ->exec('../vendor/bin/phpunit -c core --debug --coverage-clover ../build/logs/clover.xml --verbose modules/custom');
+            ->exec('../vendor/bin/phpunit -c core');
         return $tasks;
     }
 
diff --git a/.travis/config/phpunit.xml b/.travis/config/phpunit.xml
index 3b1eadb..58bcce2 100644
--- a/.travis/config/phpunit.xml
+++ b/.travis/config/phpunit.xml
@@ -60,11 +60,17 @@
   </listeners>
   <!-- Filter for coverage reports. -->
   <filter>
-    <whitelist processUncoveredFilesFromWhitelist="true">
-      <directory>../modules/custom</directory>
+    <whitelist>
+      <directory>./includes</directory>
+      <directory>./lib</directory>
+      <directory>./modules</directory>
+      <directory>../modules</directory>
+      <directory>../sites</directory>
+      <directory>../modules/custom/*/tests</directory>
       <!-- By definition test classes have no tests. -->
       <exclude>
-        <directory>../modules/custom/*/tests</directory>
+        <directory suffix="Test.php">./</directory>
+        <directory suffix="TestBase.php">./</directory>
       </exclude>
     </whitelist>
   </filter>