@Test
public void attributeTest() throws IOException, XmlPullParserException {

    Model pomModel = getOriginalPomModel("pom.xml");
    Mockito.when(transformationContext.get("ATT")).thenReturn(pomModel);
    Mockito.when(transformationContext.contains("ATT")).thenReturn(true);

    PomGetParent pomGetParent = new PomGetParent("ATT");
    assertEquals(pomGetParent.getDescription(), "Retrieve the parent Maven coordinates of specified Maven POM module");

    TUExecutionResult executionResult = pomGetParent.execution(transformedAppFolder, transformationContext);
    assertEquals(executionResult.getType(), TUExecutionResult.Type.VALUE);
    assertEquals(executionResult.getValue(), "com.test:foo-parent:1.0");
}