}

  @Test fun eachPeakIsIndependent() {
    val response = newResponse(responseBody("abcdef"))
    val p1 = response.peekBody(4)
    val p2 = response.peekBody(2)
    assertThat(response.body.string()).isEqualTo("abcdef")
    assertThat(p1.string()).isEqualTo("abcd")
    assertThat(p2.string()).isEqualTo("ab")
  }

  @Test fun negativeStatusCodeThrowsIllegalStateException() {