@Test
public void tupleArgsTestNoParent() throws Exception {

    StreamlineEvent injectedEvent = sut.injectCorrelationInformation(
            new Values(INPUT_STREAMLINE_EVENT), Collections.emptyList(), TEST_COMPONENT_NAME);
    StreamlineEventTestUtil.assertEventIsProperlyCopied(injectedEvent, INPUT_STREAMLINE_EVENT);
    // added headers
    assertEquals(Collections.emptySet(), EventCorrelationInjector.getRootIds(injectedEvent));
    assertEquals(Collections.emptySet(), EventCorrelationInjector.getParentIds(injectedEvent));
    assertEquals(StormTopologyUtil.extractStreamlineComponentName(TEST_COMPONENT_NAME), EventCorrelationInjector.getSourceComponentName(injectedEvent));
}