diff --git a/test/resolvers/MutationResolverTests.test.ts b/test/resolvers/MutationResolverTests.test.ts
index 4731199..9e8b887 100644
--- a/test/resolvers/MutationResolverTests.test.ts
+++ b/test/resolvers/MutationResolverTests.test.ts
@@ -1,15 +1,61 @@
-import { describe, it } from "@jest/globals";
-import { setupTestServerHolder } from "../testHelpers/apolloTestServerHelpers";
+import { describe, expect, it } from "@jest/globals";
+import { setupTestServerContext, setupTestServerHolder } from "../testHelpers/apolloTestServerHelpers";
+import assert = require("node:assert");
+import {
+  addMockShuttleToRepository,
+  addMockStopToRepository,
+  addMockSystemToRepository
+} from "../testHelpers/repositorySetupHelpers";
 
 describe("MutationResolvers", () => {
-  const testServerHolder = setupTestServerHolder()
+  const holder = setupTestServerHolder()
+  const context = setupTestServerContext();
 
   describe("scheduleNotification", () => {
+    const query = `
+    mutation ScheduleNotification($input: NotificationInput!) {
+      scheduleNotification(input: $input) {
+         success
+         message
+         notification {
+           deviceId
+           shuttleId
+           stopId
+         }
+      }
+    }
+    `
+
     it("adds a notification to the notification service", async () => {
+      const system = await addMockSystemToRepository(context.repository);
+      const shuttle = await addMockShuttleToRepository(context.repository, system.id);
+      const stop = await addMockStopToRepository(context.repository, system.id);
+
+      const notificationInput = {
+        deviceId: "1",
+        shuttleId: shuttle.id,
+        stopId: stop.id,
+      };
+      const response = await holder.testServer.executeOperation({
+        query,
+        variables: {
+          input: notificationInput,
+        }
+      });
+
+      assert(response.body.kind === "single");
+      expect(response.body.singleResult.errors).toBeUndefined();
+
+      const returnedData = response.body.singleResult.data;
+      expect(returnedData?.success).toBe(true);
+      expect(returnedData?.notification).toStrictEqual(notificationInput);
+    });
+
+    it("fails if the shuttle ID doesn't exist", async () => {
 
     });
 
-    it("ensures that notifications fire when the ETA changes to below threshold", async () => {
+    it("fails if the stop ID doesn't exist", async () => {
 
     });
   });