update test cases for notification service

test/services/NotificationServiceTests.test.ts

@@ -1,15 +1,15 @@
 import { describe, it } from "@jest/globals";
 
 describe("NotificationService", () => {
-  describe("startReloadingNotificationTokens", () => {
-    it("reloads keys when first called", async () => {
+  describe("reloadAPNsTokenIfTimePassed", () => {
+    it("reloads the token if token hasn't been generated yet", async () => {
 
     });
 
-    it("sets a timer to reload keys", async () => {
+    it("doesn't reload the token if last refreshed time is recent", async () => {
 
     });
-  });
+  })
 
   describe("scheduleNotification", () => {
     it("sends a notification to given shuttle/stop ID when changed", async () => {