add overriding state to navigation

Change-Id: If8da57830a7bf48d0bc6a59c5870b51459d95876
(cherry picked from commit 6c64fdc62a46dccc91a5b902617339b813a59738)
diff --git a/src/app/core/services/navigation.spec.ts b/src/app/core/services/navigation.spec.ts
index bc27772..b9cb84c 100644
--- a/src/app/core/services/navigation.spec.ts
+++ b/src/app/core/services/navigation.spec.ts
@@ -116,7 +116,7 @@
     service.add(testRoute);
     service.add(testRoute);
     expect($log.warn).toHaveBeenCalled();
-    expect($log.warn).toHaveBeenCalledWith(`[XosNavigation] Route with label: ${testRoute.label}, state: ${testRoute.state} and parent: ${testRoute.parent} already exist`);
+    expect($log.warn).toHaveBeenCalledWith(`[XosNavigation] Route with label: ${testRoute.label}, state: ${testRoute.state} and parent: ${testRoute.parent} already exists`);
     expect(service.query()).toEqual(defaultRoutes.concat([testRoute]));
   });
 });