val contentType = "text/plain".toMediaType()

      val requestBody = fd.toRequestBody(contentType)

      assertThat(requestBody.contentType()).isEqualTo(contentType)
    }
  }

  @Test
  fun testFileDescriptorReadTwice() {
    assertOnFileDescriptor(content = "Hello") { fd ->
      val requestBody = fd.toRequestBody()

      val buffer = Buffer()
      requestBody.writeTo(buffer)