Added linting tests to GH Actions

Signed-off-by: Ole Herman Schumacher Elgesem <ole.elgesem@northern.tech>

Author: olehermanse

.github/workflows/test.yml

@@ -47,3 +47,7 @@ jobs:
         run: |
           source .venv/bin/activate
           bash tests/run-format-tests.sh
+      - name: Lint tests
+        run: |
+          source .venv/bin/activate
+          bash tests/run-lint-tests.sh