add fix

Author: DenysKuchma

lib/workers.js

@@ -691,7 +691,6 @@ class Workers extends EventEmitter {
           break
         case event.step.finished:
           this.emit(event.step.finished, message.data)
-          event.dispatcher.emit(event.step.finished, message.data)
           break
         case event.step.started:
           this.emit(event.step.started, message.data)
@@ -709,7 +708,6 @@ class Workers extends EventEmitter {
           // Hook failures are already reported as test failures by the worker
           // Just emit the hook.failed event for listeners
           this.emit(event.hook.failed, message.data)
-          event.dispatcher.emit(event.hook.failed, message.data)
           break
 
       }