def test_negetiveValues(): assert tax(-99) == 0
def test_tax1(): assert tax(1) == 0.15
def test_tax6(): assert tax(250000) == 61796.57
def test_tax5(): assert tax(150000) == 31211.57
def test_tax4(): assert tax(100000) == 18140.66
def test_tax3(): assert tax(50000) == 7630.85
def test_tax2(): assert tax(2) == 0.3