def test_has_dataset_fail():
"""Test if check works to fail for an empty list."""
obj = []
with pytest.raises(DatasetError) as e:
has_dataset(obj, "test", "something")
assert "You need to add at least one test dataset" in str(e.value)
def test_has_dataset():
"""Test if check works for a non-empty list."""
obj = [5]
assert has_dataset(obj, "list", "something")