ci: don’t rely on Makefiel target

.gitlab-ci.yml

@@ -44,7 +44,7 @@ run_test_cases:
     - poetry install --no-interaction
   script:
     - mkdir logs
-    - make coverage
+    - poetry run pytest --cov --cov-report term --cov-report xml:coverage.xml
   coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
   artifacts:
     reports: