executeSynchronously(request)
      .assertCode(200)
      .assertSuccessful()
    assertThat(server.takeRequest().body.readUtf8()).isEqualTo("abc")
  }

  @Test
  fun expect100ContinueEmptyRequestBody() {
    server.enqueue(MockResponse())
    val request =
      Request.Builder()
        .url(server.url("/"))
        .header("Expect", "100-continue")