Default answer in ImageWidget test

Helper.java

public final class Helpers {

    private Helpers() {

    }

    public static String createMockReference(ReferenceManager referenceManager, String referenceURI) throws InvalidReferenceException {
        String localURI = UUID.randomUUID().toString();
        return createMockReference(referenceManager, referenceURI, localURI);
    }

    public static String createMockReference(ReferenceManager referenceManager, String referenceURI, String localURI) throws InvalidReferenceException {
        Reference reference = mock(Reference.class);
        when(reference.getLocalURI()).thenReturn(localURI);
        when(referenceManager.deriveReference(referenceURI)).thenReturn(reference);

        return localURI;
    }
}

Test.java

@Test
public void whenPromptHasDefaultAnswer_showsInImageView() throws Exception {
    ReferenceManager referenceManager = mock(ReferenceManager.class);
    RobolectricHelpers.overrideAppDependencyModule(new AppDependencyModule() {
        @Override
        public ReferenceManager providesReferenceManager() {
            return referenceManager;
        }
    });

    String referenceURI = "jr://images/referenceURI";
    String imagePath = createMockReference(
            referenceManager,
            referenceURI,
            File.createTempFile("blah", ".bmp").getAbsolutePath()
    );

    FormEntryPrompt prompt = new MockFormEntryPromptBuilder()
            .withAnswerDisplayText(referenceURI)
            .build();

    SignatureWidget widget = new SignatureWidget(RobolectricHelpers.createThemedActivity(TestScreenContextActivity.class), new QuestionDetails(prompt, ""));
    String loadedImagePath = shadowOf(((BitmapDrawable) widget.getImageView().getDrawable()).getBitmap()).getCreatedFromPath();
    assertThat(loadedImagePath, equalTo(imagePath));
}