def test_functionMaxValue_non_numbers():
    tab_list = ['12', '15', '125', '512', '2048']
    with pytest.raises(ValueError):
        tobetested.function_max_value(tab_list)
def test_functionMaxValue_empty_table():
    tab_list = []
    with pytest.raises(ValueError):
        tobetested.function_max_value(tab_list)
def test_functionMaxValue_no_list():
    tab_list = 250
    with pytest.raises(ValueError):
        tobetested.function_max_value(tab_list)
def test_functionMaxValue_working1():
    tab_list = [1, 2, 3, -5, 6, -9]
    test = tobetested.function_max_value(tab_list)
    assert test == (6, 4)