@Test @SuppressWarnings( "unchecked" ) public void runAsAnonymousTest() throws Exception { Callable<String> callable = (Callable<String>) mock( Callable.class ); when( callable.call() ).thenReturn( CALLABLE_RETURNED_VALUE_OK ); String runningResult = emptySecurityHelper.runAsAnonymous( callable ); assertEquals( CALLABLE_RETURNED_VALUE_OK, runningResult ); }