sink.flush()
                  sleep(100)
                }
                fail("Expected connection to be closed")
              }
            },
        ),
      )
    cancelLater(call, 500)
    assertFailsWith<IOException> {
      call.execute()
    }.also { expected ->
      assertEquals(cancelMode == INTERRUPT, Thread.interrupted())
    }
  }

  @ParameterizedTest

    call.execute().use { response ->
      val source = response.body.source()
      assertThat(response.header("h1")).isEqualTo("v1")
      assertThat(source.readUtf8(5)).isEqualTo("Hello")
      call.cancelLater(500.milliseconds)
      val trailersDelay =
        measureTime {
          val exception =
            assertFailsWith<IOException> {
              response.trailers()
            }