Make namespace folders work with stubs

test/completion/stubs.py

@@ -1,11 +1,24 @@
-from stub_folder import with_stub, stub_only
+from stub_folder import with_stub, stub_only, with_stub_folder, stub_only_folder
+
+# Just files
 
 #? int()
 stub_only.in_stub_only
-
 #? str()
 with_stub.in_with_stub_both
-#? int()
+#?
 with_stub.in_with_stub_python
 #? float()
 with_stub.in_with_stub_stub
+
+
+# Folders
+
+#? int()
+stub_only_folder.in_stub_only_folder
+#? str()
+with_stub_folder.in_with_stub_both_folder
+#?
+with_stub_folder.in_with_stub_python_folder
+#? float()
+with_stub_folder.in_with_stub_stub_folder