Add support for Cyprus front-end testing tool.

[captaindav]

Is your feature request related to a problem? Please describe.
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Improve the quality of Druxt code by using automated testing.

Describe the solution you'd like
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As a developer I would like to use Cyprus to test code as it is being pushed and also as part of the build process.

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N/A

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[Decipher]

Hi @captaindav,

This issue already exists @ #92