STY/CI: Add ruff check for tests/ directory

Kai-Striega · Kai-Striega · commit 0e9fb51c399a · 2023-11-20T11:53:35.000+08:00
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
@@ -49,3 +49,5 @@ jobs:
         poetry run ruff version
         # Check the source file, ignore type annotations (ANN) for now.
         poetry run ruff check numpy_financial/ --ignore F403 --select E,F,B,I
+        # Check the test file
+        poetry run ruff check tests/ --select E,F,B,I
