diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 5594dd5..6eba9ed0 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -79,6 +79,7 @@
 simpletest_script_reporter_init();
 
 // Execute tests.
+$test_list = array_fill(0, 100, 'Drupal\file\Tests\UsageTest');
 for ($i = 0; $i < $args['repeat']; $i++) {
   simpletest_script_execute_batch($test_list);
 }
