@Test
public void testFromJsonString() {

	Duration data = Duration.fromJsonString(t1.toString());
	assertEquals(t1.toString(), data.toString());
	assertEquals(t1.toJsonObject(), data.toJsonObject());
	assertEquals(t1.getMessageType(), data.getMessageType());
	assertEquals(t1.getData(), data.getData());
	assertNotSame(t1, data);
	assertNotSame(t1.toString(), data.toString());
	assertNotSame(t1.toJsonObject(), data.toJsonObject());
}