assert the message is in

Author: vladak

opengrok-web/src/test/java/org/opengrok/web/PageConfigTest.java

@@ -765,6 +765,7 @@ void testIsNotModifiedNotModified() {
                 Collections.singleton(projectName),
                 Message.MessageLevel.INFO,
                 Duration.ofMinutes(100)));
+        assertEquals(1, env.getMessages(projectName).size());
 
         DummyHttpServletRequest req = mock(DummyHttpServletRequest.class);
         when(req.getPathInfo()).thenReturn("/mercurial/main.c");