Fix for matchers NonExhaustiveMatchError error and new failure matcher#6

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andriimosin wants to merge 2 commits intotrailblazer:masterfrom andriimosin:feature/fix_matcher

+84-66

Commits on Jun 15, 2017

Fixed unauthenticated step, added failure step
andriimosin
committed

Commits on Jun 17, 2017

Added failure matcher, added specs for it, added rescue for NonExhaustiveMatchError in Endpoint, fixed broken specs, updated dependencies in Gemfile, minor changes
andriimosin
committed