def test_chart_days_raises_error():
"""Test chart days raises error if time dict not available."""
jd = JobData('test')
with pytest.raises(ValueError):
jd.chart_days()
def test_chart_days_returns_list():
"""Test the chart days function returns list."""
jd = JobData('test')
jd.count_days()
assert isinstance(jd.chart_days(), list)