@Test
public void shouldReturnHighlightedFieldsForChildForm() throws IOException {

    when(sharedPreferences.getString(FormService.FORM_SECTIONS_PREF, null)).thenReturn(null);
    List<FormField> formFields = formService.getHighlightedFields(Child.CHILD_FORM_NAME);
    int expectedNoOfHighlightedFields = 4;
    assertEquals(expectedNoOfHighlightedFields, formFields.size());
}