fix: remove unused variable and helper

Author: gagik

tests/integration/helpers.ts

@@ -25,10 +25,6 @@ export function setupIntegrationTest(userConfig: UserConfig = config): Integrati
     let mcpClient: Client | undefined;
     let mcpServer: Server | undefined;
 
-    // This gets used in the scope of tests.
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    let randomDbName: string;
-
     beforeAll(async () => {
         const clientTransport = new InMemoryTransport();
         const serverTransport = new InMemoryTransport();
@@ -69,7 +65,6 @@ export function setupIntegrationTest(userConfig: UserConfig = config): Integrati
 
     beforeEach(() => {
         config.telemetry = "disabled";
-        randomDbName = new ObjectId().toString();
     });
 
     afterAll(async () => {
@@ -222,8 +217,3 @@ export function validateThrowsForInvalidArguments(
 export function expectDefined<T>(arg: T): asserts arg is Exclude<T, undefined> {
     expect(arg).toBeDefined();
 }
-
-/** Expects the argument being undefined and asserts it */
-export function expectUndefined(arg: unknown): asserts arg is undefined {
-    expect(arg).toBeUndefined();
-}

tests/integration/server.test.ts

@@ -50,8 +50,8 @@ describe("Server integration test", () => {
             it("should return capabilities", () => {
                 const capabilities = integration.mcpClient().getServerCapabilities();
                 expectDefined(capabilities);
-                expect(capabilities?.completions).toBeUndefined();
-                expect(capabilities?.experimental).toBeUndefined();
+                expect(capabilities.completions).toBeUndefined();
+                expect(capabilities.experimental).toBeUndefined();
                 expectDefined(capabilities?.tools);
                 expectDefined(capabilities?.logging);
                 expect(capabilities?.prompts).toBeUndefined();