@Override
    public ReleaseId getParentReleaseId() {
        return parentReleaseId;
    }
@Test
    public void getParentReleaseIdNull() {
        final MavenSession mavenSession = mockMavenSession(false);
        final ProjectPomModel pomModel = new ProjectPomModel(mavenSession);
        assertThat(pomModel.getParentReleaseId()).isNull();
    }