.Button {
  width: 0px;
  color: #000;
}

$button-color: #000;
.Button {
  width: 0px;
  color: $button-color;
}

Update scss tests to comply w/ CLI options from latest version
Update scss tests to comply w/ CLI options from latest version

scsslint now has the linter ColorVariable (https://github.com/brigade/scss-lint/blob/master/lib/scss_lint/linter/README.md#colorvariable),
which does not like literal colors.
