diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -3915,6 +3915,7 @@
     'PhabricatorTypeaheadCompositeDatasource' => 'applications/typeahead/datasource/PhabricatorTypeaheadCompositeDatasource.php',
     'PhabricatorTypeaheadDatasource' => 'applications/typeahead/datasource/PhabricatorTypeaheadDatasource.php',
     'PhabricatorTypeaheadDatasourceController' => 'applications/typeahead/controller/PhabricatorTypeaheadDatasourceController.php',
+    'PhabricatorTypeaheadDatasourceTestCase' => 'applications/typeahead/datasource/__tests__/PhabricatorTypeaheadDatasourceTestCase.php',
     'PhabricatorTypeaheadFunctionHelpController' => 'applications/typeahead/controller/PhabricatorTypeaheadFunctionHelpController.php',
     'PhabricatorTypeaheadInvalidTokenException' => 'applications/typeahead/exception/PhabricatorTypeaheadInvalidTokenException.php',
     'PhabricatorTypeaheadModularDatasourceController' => 'applications/typeahead/controller/PhabricatorTypeaheadModularDatasourceController.php',
@@ -9104,6 +9105,7 @@
     'PhabricatorTypeaheadCompositeDatasource' => 'PhabricatorTypeaheadDatasource',
     'PhabricatorTypeaheadDatasource' => 'Phobject',
     'PhabricatorTypeaheadDatasourceController' => 'PhabricatorController',
+    'PhabricatorTypeaheadDatasourceTestCase' => 'PhabricatorTestCase',
     'PhabricatorTypeaheadFunctionHelpController' => 'PhabricatorTypeaheadDatasourceController',
     'PhabricatorTypeaheadInvalidTokenException' => 'Exception',
     'PhabricatorTypeaheadModularDatasourceController' => 'PhabricatorTypeaheadDatasourceController',
diff --git a/PhabricatorTypeaheadDatasourceTestCase.php b/src/applications/typeahead/datasource/__tests__/PhabricatorTypeaheadDatasourceTestCase.php
rename from PhabricatorTypeaheadDatasourceTestCase.php
rename to src/applications/typeahead/datasource/__tests__/PhabricatorTypeaheadDatasourceTestCase.php