public void testNoArtifactItems() {
   try {
     mojo.getProcessedArtifactItems(false);
     fail("Expected Exception");
   } catch (MojoExecutionException e) {
     assertEquals("There are no artifactItems configured.", e.getMessage());
   }
 }
 public ArtifactItem getSingleArtifactItem(boolean removeVersion) throws MojoExecutionException {
   List<ArtifactItem> list = mojo.getProcessedArtifactItems(removeVersion);
   return list.get(0);
 }