func Test_Black_1(t *testing.T) {
expected := "\x1b[30mpolru\x1b[39;49m"
actual := Color.Black("polru", true)
if actual != expected {
t.Errorf("Test failed, expected: '%s', got: '%s'", expected, actual)
}
}
func Test_Black_2(t *testing.T) {
expected := "polru"
actual := Color.Black("polru", false)
if actual != expected {
t.Errorf("Test failed, expected: '%s', got: '%s'", expected, actual)
}
}