module Cucumber::Core::Events

def self.registry

that will be used by the {EventBus} by default.
The registry contains all the events registered in the core, 
def self.registry
  build_registry(
    Envelope,
    GherkinSourceParsed,
    TestStepCreated,
    TestCaseCreated,
    TestCaseStarted,
    TestStepStarted,
    TestStepFinished,
    TestCaseFinished
  )
end