    @Test
    public void testExecute() throws Exception {

        String input = this.getClass().getClassLoader().getResource("input/NPEValidation2.xml").getFile();
        mojo.project = project;
        mojo.inputFileDirectory = new File(input);
        mojo.outputFileDirectory = new File("target/output");
        mojo.inputParameters = makeParams();

        mojo.execute();
        assertTrue(true);
    }