@Test
 public void testConstants() {
   MavenProject project = mock(MavenProject.class);
   Renderer siteRenderer = mock(Renderer.class);
   JacocoReportChangesMojo mojo = new JacocoReportChangesMojo();
   mojo.setProject(project);
   mojo.setSiteRenderer(siteRenderer);
   assertEquals(project, mojo.getProject());
   assertEquals(siteRenderer, mojo.getSiteRenderer());
   assertEquals("jacoco-changes/index", mojo.getOutputName());
   assertEquals("JaCoCo Changes Test", mojo.getName(null));
   assertFalse(mojo.isJacocoSkip());
 }