Use page object pattern for ruby_lib unit tests

[bootstraponline]

[bootstraponline]

Tests are failing now due to flakiness. It looks like the page object pattern is necessary.

Sometime in the future, I will have a custom test app that works the same on android/ios. That'll eliminate the need to duplicate tests and will make the page object pattern easier to apply.

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improvements

todo: research page object DSL style

• https://github.com/natritmeyer/site_prism
• https://github.com/cheezy/page-object
• parallel_rspec
• rerun failed rspec