}

  public void testCreate_emptySubtype() {
    assertThrows(IllegalArgumentException.class, () -> MediaType.create("a", ""));
  }

  public void testCreateApplicationType() {
    MediaType newType = MediaType.createApplicationType("yams");
    assertEquals("application", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateAudioType() {