🔧 Don't measure coverage of test code

Author: SilviaAmAm

backend/setup.cfg

@@ -23,3 +23,15 @@ skip_glob = **/migrations/**
 known_django=django
 known_first_party=openarchiefbeheer
 sections=FUTURE,STDLIB,DJANGO,THIRDPARTY,FIRSTPARTY,LOCALFOLDER
+
+[coverage:run]
+source = src
+omit =
+    # files processed at entrypoint time
+    src/manage.py
+    src/openarchiefbeheer/wsgi.py
+    src/openarchiefbeheer/conf/local_example.py
+    # migrations run while django initializes the test db
+    */migrations/*
+    # generic test patterns
+    */tests/*