@ParameterizedTest
  fun httpUrl(testData: WebPlatformUrlTestData) {
    if (!testData.scheme.isEmpty() && !HTTP_URL_SCHEMES.contains(testData.scheme)) {
      System.err.println("Ignoring unsupported scheme ${testData.scheme}")
      return
    }

    if (!testData.base!!.startsWith("https:") &&
      !testData.base!!.startsWith("http:") &&
      testData.base != "about:blank"
    ) {

  }

  @Test fun setDate() {
    val expected = Date(1000)
    val headers =
      Headers.Builder()
        .add("testDate", Date(0L))
        .set("testDate", expected)
        .build()
    assertThat(headers["testDate"]).isEqualTo("Thu, 01 Jan 1970 00:00:01 GMT")
    assertThat(headers.getDate("testDate")).isEqualTo(expected)
  }

  @Test fun setInstant() {
    val expected = Instant.ofEpochMilli(1000L)
    val headers =