Fix global handler_test.go test failure #804
Merged
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On slower VMs (like the CI VMs), this test was timing out in 2ms and failing. Additionally, in the process of failing, the suite tear-down function would reset the globalHandler and cause a race with the spawned goroutine that was abandoned.
This increases the pause from 2ms to 10ms, unifies and simplifies the wait logic, and stops the child goroutine on failure.