assertFalse(withoutHostCalled)
    }
  }

  @Test
  fun testUnderscoreRequest() {
    assumeNetwork()

    val request =
      Request.Builder().url("https://example_underscore_123.s3.amazonaws.com/").build()

    try {
      client.newCall(request).execute().close()
      // Hopefully this passes
    } catch (ioe: IOException) {
      // https://github.com/square/okhttp/issues/5840