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-rw-r--r--tests/conftest.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/tests/conftest.py b/tests/conftest.py
index c4d6b9c1..6599a643 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -18,11 +18,13 @@ def pytest_generate_tests(metafunc):
if "backend" in metafunc.fixturenames:
filtered_backends = []
required = metafunc.function.requires_backend_interface
- required_interfaces = tuple(
+ required_interfaces = [
mark.kwargs["interface"] for mark in required
- )
+ ]
for backend in selected_backends:
- if isinstance(backend, required_interfaces):
+ if all(
+ isinstance(backend, iface) for iface in required_interfaces
+ ):
filtered_backends.append(backend)
# If you pass an empty list to parametrize Bad Things(tm) happen