def test_start(test_data):
workout = Workout(test_data + '/basic.yml')
workout.start()
sleep(0.01)
assert workout.current_interval() == workout.intervals[0]
assert workout.elapsed() == approx_time(0.01)
def test_transition(test_data):
workout = Workout(yaml_file=test_data + '/quick.yml')
workout.start()
sleep(0.01)
progress = workout.progress()
assert workout.current_interval() == workout.intervals[1]
assert progress.changed_interval