.build()
    val response = client.newCall(headRequest).execute()
    assertThat(response.code).isEqualTo(200)
    assertArrayEquals(ByteArray(0), response.body.bytes())
    val getRequest = Request(server.url("/"))
    executeSynchronously(getRequest)
      .assertCode(200)
      .assertBody("abc")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
  }

		}

		// header manipulations
		for name, val := range weight.Headers.GetRequest().GetAdd() {
			errs = appendErrors(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
			errs = appendErrors(errs, ValidateHTTPHeaderValue(val))
		}
		for name, val := range weight.Headers.GetRequest().GetSet() {
			errs = appendErrors(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))