diff --git a/lib/tests/component_test.php b/lib/tests/component_test.php
index 5f1c0686bcc..f66a69daab1 100644
--- a/lib/tests/component_test.php
+++ b/lib/tests/component_test.php
@@ -505,7 +505,7 @@ class core_component_testcase extends advanced_testcase {
         $this->assertCount(5, core_component::get_component_classes_in_namespace('core_user', 'output\\myprofile'));
 
         // Without namespace it returns classes/ classes.
-        $this->assertCount(3, core_component::get_component_classes_in_namespace('tool_mobile', ''));
+        $this->assertCount(5, core_component::get_component_classes_in_namespace('tool_mobile', ''));
         $this->assertCount(2, core_component::get_component_classes_in_namespace('tool_filetypes'));
 
         // When no component is specified, classes are returned for the namespace in all components.