// AddUnschedulableIfNotPresent is called with the Pod at the end of scheduling or binding.
	// So, given pInfo should have been Pop()ed before,
	// we can assume pInfo must be recorded in inFlightPods and thus inFlightEvents.
	inFlightPod, ok := p.inFlightPods[pInfo.Pod.UID]
	if !ok {

		wantUnschedPodPoolPodNames   []string
		isSchedulingQueueHintEnabled bool
	}{
		{
			name:        "when SchedulingQueueHint is disabled, inFlightPods and inFlightEvents should be empty",
			initialPods: []*v1.Pod{pod},
			actions: []action{
				// This Pod shouldn't be added to inFlightPods because SchedulingQueueHint is disabled.
				{podPopped: pod},