fix(tests): remove duplicate pytest.mark.asyncio decorators

- Remove duplicate asyncio markers from test_views_settings.py
- Remove duplicate asyncio markers from test_check_credentials.py
- Remove duplicate asyncio markers from test_views_status.py

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_check_credentials.py

@@ -38,7 +38,7 @@ class TestMockRequest:
         assert isinstance(req.query_params, dict)
 
     @pytest.mark.asyncio
-    @pytest.mark.asyncio
+
     async def test_mock_request_json(self):
         """Test MockRequest.json() returns empty dict."""
         req = MockRequest()
@@ -46,7 +46,7 @@ class TestMockRequest:
         assert result == {}
 
     @pytest.mark.asyncio
-    @pytest.mark.asyncio
+
     async def test_mock_request_form(self):
         """Test MockRequest.form() returns empty dict."""
         req = MockRequest()