err := expect(multimap)
					if err != nil {
						t.Errorf("%v %v", tc.name, err)
					}
				}
			})
		}
	}
}

func TestEfficientAssociation(t *testing.T) {
	useOnceSelector := useOnce(selector("a", "1"))
	m := NewBiMultimap()
	m.PutSelector(key("hpa-1"), useOnceSelector)
	m.Put(key("pod-1"), labels("a", "1"))

	// Selector is used only during full scan. Second Put will use