public void testCreateImageType() {
    MediaType newType = MediaType.createImageType("yams");
    assertEquals("image", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateTextType() {
    MediaType newType = MediaType.createTextType("yams");
    assertEquals("text", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateVideoType() {