    @Test
    public void configFileMerger() {

        ConfigSlurper cs = new ConfigSlurper();

        ConfigObject co1 = cs.parse("a = '1'\n b = '2'");
        assert "1" == co1.getProperty("a");
        ConfigObject co2 = cs.parse("c='3'\n d='4'");
        assert "3" == co2.getProperty("c");

        ConfigObject f = GroovyDataProvider.mergeConfigObjects(co1, co2);
        assert "1" == f.getProperty("a");
        assert "3" == f.getProperty("c");
    }