add arrange portion of first test

test/services/NotificationServiceTests.test.ts

@@ -233,6 +233,29 @@ describe("NotificationService", () => {
 
   describe("getAllScheduledNotificationsForDevice", () => {
     it("returns scheduled notifications for the device ID", async () => {
+      // Arrange
+      const shuttle1 = await addMockShuttleToRepository(repository, "1");
+      const stop = await addMockStopToRepository(repository, "1");
+      const { eta, notificationData1 } = generateNotificationDataAndEta(shuttle1, stop);
+      await notificationService.scheduleNotification(notificationData1);
+
+      const shuttle2 = {
+        ...shuttle1,
+        id: "2",
+      }
+      await repository.addOrUpdateShuttle(shuttle2);
+
+      const notificationData2 = {
+        ...notificationData1,
+        shuttleId: shuttle2.id,
+      }
+      await notificationService.scheduleNotification(notificationData2);
+
+      // Act
+
+      // Assert
+
+
 
     });