nodes                     []*v1.Node
		existingPods              []*v1.Pod
		objs                      []runtime.Object
		defaultConstraints        []v1.TopologySpreadConstraint
		want                      *preFilterState
		wantPrefilterStatus       *framework.Status
		enableNodeInclusionPolicy bool
		enableMatchLabelKeys      bool
	}{
		{
			name: "clean cluster with one spreadConstraint",