if originalWant == nil {
				originalWant = w
			}

			assertCloseNotifierFlusherHijacker(t, true, w)

			decorator := &fakeResponseWriterDecorator{
				ResponseWriter: w,
				counter:        counterGot,
			}
			wrapped := WrapForHTTP1Or2(decorator)

			assertCloseNotifierFlusherHijacker(t, true, wrapped)

			originalGot := GetOriginal(wrapped)
			if originalWant != originalGot {