val other = MockWebServer()
    other.use {
      other.start()
      assertThat(other.port).isNotEqualTo(server.port)
    }
  }

  @Test
  fun cannotAccessAddressBeforeStart() {
    val other = MockWebServer()
    assertFailsWith<IllegalStateException> {
      other.socketAddress
    }
    assertFailsWith<IllegalStateException> {
      other.hostName
    }