### Question:
AbstractController { protected String createRedirectViewPath(String path) { StringBuilder builder = new StringBuilder(); builder.append(VIEW_REDIRECT_PREFIX); builder.append(path); return builder.toString(); }    }### Answer:
@Test public void createRedirectViewPath() { String redirectView = controller.createRedirectViewPath(REDIRECT_PATH); String expectedView = buildExpectedRedirectViewPath(REDIRECT_PATH); verifyZeroInteractions(messageSourceMock); assertEquals(expectedView, redirectView); }