Ignore test-only ruff rules blocked by import stubs.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: Pigbibi

pyproject.toml

@@ -47,3 +47,7 @@ testpaths = ["tests"]
 [tool.ruff]
 target-version = "py311"
 line-length = 100
+
+[tool.ruff.lint.per-file-ignores]
+"tests/**" = ["E402", "F841"]
+