@Before
public void setup() {
this.mockRequestWithSelector = new MockSlingHttpServletRequest("/content/path", "sel1.sel2", "xml", null, null);
this.mockRequestWithoutSelector = new MockSlingHttpServletRequest("/content/path", null, "xml", null, null);
// mock the resource resolver and create also a mocked resource to prevent NPE in ResourceUtil.
final MockResourceResolver mockResourceResolver = new MockResourceResolver();
mockResourceResolver.setSearchPath("/libs");
this.mockRequestWithSelector.setResourceResolver(mockResourceResolver);
this.mockRequestWithoutSelector.setResourceResolver(mockResourceResolver);
}