assertEquals("", phase.toString());

        LifecycleMojo mojo1 = new LifecycleMojo();
        mojo1.setGoal("jar:jar");
        phase.setMojos(Arrays.asList(mojo1));
        assertEquals("jar:jar", phase.toString());

        LifecycleMojo mojo2 = new LifecycleMojo();
        mojo2.setGoal("war:war");
        phase.setMojos(Arrays.asList(mojo1, mojo2));
        assertEquals("jar:jar,war:war", phase.toString());
    }