Tests that CSSPropertyPrompt properly builds suggestions.
--blue-color
text: --blue-color)
priority: 1
subtitle: undefined
subtitleRenderer: function () { [native code] }
--red-color
text: --red-color)
priority: 1
subtitle: undefined
subtitleRenderer: function () { [native code] }
--other
text: --other)
priority: 1
subtitle: undefined
subtitleRenderer: function () { [native code] }