Cover a missed branch
diff --git a/tests/hazmat/primitives/utils.py b/tests/hazmat/primitives/utils.py
index b00d318..e018477 100644
--- a/tests/hazmat/primitives/utils.py
+++ b/tests/hazmat/primitives/utils.py
@@ -22,8 +22,7 @@
def generate_encrypt_test(param_loader, path, file_names, cipher_factory,
- mode_factory, only_if=lambda backend: True,
- skip_message=None):
+ mode_factory, only_if, skip_message=None):
all_params = _load_all_params(path, file_names, param_loader)
@pytest.mark.parametrize("params", all_params)