for _, tc := range testCases {
		t.Run(tc.description, func(t *testing.T) {
			// Initialize the range allocator.
			fakeNodeInformer := test.FakeNodeInformer(tc.fakeNodeHandler)
			nodeList, _ := tc.fakeNodeHandler.List(tCtx, metav1.ListOptions{})
			_, err := NewCIDRRangeAllocator(tCtx, tc.fakeNodeHandler, fakeNodeInformer, tc.allocatorParams, nodeList)
			if err == nil && tc.ctrlCreateFail {