private void verifyDescription(TimerEvent timerEvent, String expectedDescription) {
    Assert.assertEquals(expectedDescription, timerEvent.getDescription());
  }
Verifies that the {@code timerEvent}'s description is {@code expectedDescription}.

@param timerEvent the {@link TimerEvent} to verify
@param expectedDescription the expected description
jib-core/src/test/java/com/google/cloud/tools/jib/builder/TimerEventDispatcherTest.java