def test_meters_to_walking_time_integer_result(): assert 1 == meters_to_walking_time(80)
def test_meters_to_walking_time_None_param(): assert -1 == meters_to_walking_time(None)
def test_meters_to_walking_time_zero_edge_case(): assert 0 == meters_to_walking_time(79)
def test_meters_to_walking_time_floating_param(): assert 1 == meters_to_walking_time(80.5)
def test_meters_to_walking_time_floating_result(): assert 1 == meters_to_walking_time(81)