def test_example1(): roman_string = "III" assert (3 == roman_to_integers(roman_string))
def test_case3(): roman_string = "LXXX" assert (80 == roman_to_integers(roman_string))
def test_case4(): roman_string = "CXXXVII" assert (137 == roman_to_integers(roman_string))
def test_case1(): roman_string = "XC" assert (90 == roman_to_integers(roman_string))
def test_example5(): roman_string = "MCMXCIV" assert (1994 == roman_to_integers(roman_string))
def test_example4(): roman_string = "LVIII" assert (58 == roman_to_integers(roman_string))
def test_example3(): roman_string = "IX" assert (9 == roman_to_integers(roman_string))
def test_example2(): roman_string = "IV" assert (4 == roman_to_integers(roman_string))