diff --git a/test/resolvers/SystemResolverTests.test.ts b/test/resolvers/SystemResolverTests.test.ts
index 673f0a1..8990bf8 100644
--- a/test/resolvers/SystemResolverTests.test.ts
+++ b/test/resolvers/SystemResolverTests.test.ts
@@ -1,15 +1,12 @@
-import { beforeEach, describe, it } from "@jest/globals";
+import { beforeEach, describe, expect, it } from "@jest/globals";
 import { ApolloServer } from "@apollo/server";
 import { ServerContext } from "../../src/ServerContext";
 import { UnoptimizedInMemoryRepository } from "../../src/repositories/UnoptimizedInMemoryRepository";
 import { setUpTestServer } from "../testHelpers/apolloSetupHelpers";
-import { generateMockRoutes } from "../generators";
-
-// const routes = await generateMockRoutes();
-// await Promise.all(routes.map(async (route) => {
-//   route.systemId = mockSystem.id;
-//   await repository.addOrUpdateRoute(route);
-// }));
+import { generateMockRoutes, generateMockShuttles, generateMockStops } from "../generators";
+import { addMockSystemToRepository } from "../testHelpers/repositorySetupHelpers";
+import { ISystem } from "../../src/entities/entities";
+import assert = require("node:assert");
 
 describe("SystemResolvers", () => {
   let testServer: ApolloServer<ServerContext>;
@@ -20,6 +17,26 @@ describe("SystemResolvers", () => {
     repository = new UnoptimizedInMemoryRepository();
   });
 
+  let mockSystem: ISystem;
+
+  beforeEach(async () => {
+    mockSystem = await addMockSystemToRepository(repository);
+  });
+
+  // TODO: Consolidate these into one single method taking an object
+  async function getResponseFromQueryNeedingSystemId(query: string) {
+    return await testServer.executeOperation({
+      query,
+      variables: {
+        systemId: mockSystem.id,
+      },
+    }, {
+      contextValue: {
+        repository
+      },
+    });
+  }
+
   describe("routes", () => {
     const query = `
     query GetSystemRoutes($systemId: ID!) {
@@ -33,6 +50,18 @@ describe("SystemResolvers", () => {
     `;
 
     it("gets routes associated with system id", async () => {
+      const expectedRoutes = generateMockRoutes();
+      await Promise.all(expectedRoutes.map(async (route) => {
+        route.systemId = mockSystem.id;
+        await repository.addOrUpdateRoute(route);
+      }));
+
+      const response = await getResponseFromQueryNeedingSystemId(query);
+
+      assert(response.body.kind === "single");
+      expect(response.body.singleResult.errors).toBeUndefined()
+      const routes = (response.body.singleResult.data as any).system.routes;
+      expect(routes.length === expectedRoutes.length);
     });
   });
 
@@ -49,7 +78,18 @@ describe("SystemResolvers", () => {
     `;
 
     it("gets stops associated with system id", async () => {
+      const expectedStops = generateMockStops();
+      await Promise.all(expectedStops.map(async (stop) => {
+        stop.systemId = mockSystem.id;
+        await repository.addOrUpdateStop(stop);
+      }));
 
+      const response = await getResponseFromQueryNeedingSystemId(query);
+
+      assert(response.body.kind === "single");
+      expect(response.body.singleResult.errors).toBeUndefined()
+      const stops = (response.body.singleResult.data as any).system.stops;
+      expect(stops.length === expectedStops.length);
     });
   });
 
@@ -141,7 +181,18 @@ describe("SystemResolvers", () => {
     `;
 
     it("gets shuttles associated with system id", async () => {
+      const expectedShuttles = generateMockShuttles();
+      await Promise.all(expectedShuttles.map(async (shuttle) => {
+        shuttle.systemId = mockSystem.id;
+        await repository.addOrUpdateShuttle(shuttle);
+      }));
 
+      const response = await getResponseFromQueryNeedingSystemId(query);
+
+      assert(response.body.kind === "single");
+      expect(response.body.singleResult.errors).toBeUndefined()
+      const shuttles = (response.body.singleResult.data as any).system.shuttles;
+      expect(shuttles.length === expectedShuttles.length);
     });
   });
 });
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