Aanpassing drone pipeline test stap

.drone.yml

@@ -9,8 +9,10 @@ platform:
 
 steps:
 - name: Run unit test
+  environment:
+   PYTHONPATH: .
   commands:
-  - python -m unittest lmwsip
+  - python test/__init__.py
 
 - name: Build package files
   commands: