public void testExecution() throws Exception {
File testPom = new File( getBasedir(), "target/test-classes/projects/project-01/plugin-config.xml" );
OpenJpaEnhancerMojo mojo = (OpenJpaEnhancerMojo) lookupMojo( "enhance", testPom );
assertNotNull( mojo );
mojo.classes = new File( getBasedir(), "target/test-classes/" );
mojo.compileClasspathElements = new ArrayList<String>();
mojo.compileClasspathElements.add( mojo.classes.getAbsolutePath() );
mojo.execute();
}