Writing unit test in golang for workflow that waits for signal

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Testing Workflow that waits for Signal

RegisterDelayedCallback registers a callback to fire after a delay. The call itself is not blocking. Try changing it to: s.env.RegisterDelayedCallback(func() { s.env.SignalWorkflow("signal-name", "signal-value") }, time.Minute) Also, you probably want to adjust the timer from one-second delay if you want to fire it after the signal.