}

    @Test
    void testUndefinedOutputDirectory() throws Exception {
        MavenProject p = new MavenProject();
        assertNoNulls(p.getCompileClasspathElements());
        assertNoNulls(p.getSystemClasspathElements());
        assertNoNulls(p.getRuntimeClasspathElements());
        assertNoNulls(p.getTestClasspathElements());
    }

    @Test
    void testAddDotFile() {

                list.add(a);
            }
        }
        return list;
    }

    @Deprecated
    public List<String> getSystemClasspathElements() throws DependencyResolutionRequiredException {
        List<String> list = new ArrayList<>(getArtifacts().size());

        String d = getBuild().getOutputDirectory();
        if (d != null) {