wg.Add(concurrency)
	for i := 0; i < concurrency; i++ {
		go func() {
			defer wg.Done()
			assert.NoError(t, UnstructuredJSONScheme.Encode(&list, ioutil.Discard))
		}()
	}
	wg.Wait()
}

func TestRemoveNestedField(t *testing.T) {
	obj := map[string]interface{}{
		"x": map[string]interface{}{
			"y": 1,
			"a": "foo",
		},
	}
	RemoveNestedField(obj, "x", "a")
	assert.Len(t, obj["x"], 1)