zhangyi-hu opened a new issue #16608:
URL: https://github.com/apache/airflow/issues/16608
**Description**
function test_cycle will be collected by pytest if this function is imported
in a user-defined test.
Such an error will be emitted as pytest will treat it as a test.
```
test setup failed
file
/opt/conda/lib/python3.8/site-packages/airflow/utils/dag_cycle_tester.py, line
27
def test_cycle(dag):
E fixture 'dag' not found
> available fixtures: cache, capfd, capfdbinary, caplog, capsys,
capsysbinary, doctest_namespace, monkeypatch, pytestconfig, record_property,
record_testsuite_property, record_xml_attribute, recwarn, tmp_path,
tmp_path_factory, tmpdir, tmpdir_factory
> use 'pytest --fixtures [testpath]' for help on them.
```
**Use case / motivation**
This can be simply "fixed" by renaming this function to check_cycle although
the user can do it upon importing this function.
**Are you willing to submit a PR?**
The changeset is too small to worth the trouble for a PR.
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