@Test
public void testBody() {

  Event e1 = EventBuilder.withBody("e1".getBytes());
  Assert.assertNotNull(e1);
  Assert.assertArrayEquals("body is correct", "e1".getBytes(), e1.getBody());
  Event e2 = EventBuilder.withBody(Long.valueOf(2).toString().getBytes());
  Assert.assertNotNull(e2);
  Assert.assertArrayEquals("body is correct", Long.valueOf(2L).toString()
      .getBytes(), e2.getBody());
}