diff --git a/plugin.py b/plugin.py
index a1de9b7f..f271d710 100644
--- a/plugin.py
+++ b/plugin.py
@@ -195,9 +195,17 @@
     '.package_tasks',
 
     '.tests',
-    '.tests.downloaders',
-    '.tests.clients',
-    '.tests.providers',
+    '.tests._config',
+    '.tests._data_decorator',
+    '.tests.test_clients',
+    '.tests.test_distinfo',
+    '.tests.test_downloaders',
+    '.tests.test_package_versions',
+    '.tests.test_pep440_specifier',
+    '.tests.test_pep440_version',
+    '.tests.test_pep508_marker',
+    '.tests.test_providers',
+    '.tests.test_selectors',
 
     '.commands.add_channel_command',
     '.commands.add_repository_command',