'Verify concatenation works correctly.'

def test_add(self):

    a = ANSIString('|gTest')
    b = ANSIString('|cString|n')
    c = (a + b)
    result = u'\x1b[1m\x1b[32mTest\x1b[1m\x1b[36mString\x1b[0m'
    self.checker(c, result, u'TestString')
    char_table = [9, 10, 11, 12, 22, 23, 24, 25, 26, 27]
    code_table = [0, 1, 2, 3, 4, 5, 6, 7, 8, 13, 14, 15, 16, 17, 18, 19, 20, 21, 28, 29, 30, 31]
    self.table_check(c, char_table, code_table)
