@Test
public void getSelectedModule() {

    when(academyRepository.getContent(courseId, moduleId)).thenReturn(dummyModules.get(0));
    ModuleEntity moduleEntity = viewModel.getSelectedModule();
    verify(academyRepository).getContent(courseId, moduleId);
    assertNotNull(moduleEntity);
    ContentEntity contentEntity = moduleEntity.contentEntity;
    assertNotNull(contentEntity);
    String content = contentEntity.getContent();
    assertNotNull(content);
    assertEquals(content,  dummyModules.get(0).contentEntity.getContent());
}