}

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

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

  public void testCreateApplicationType() {
    MediaType newType = MediaType.createApplicationType("yams");