Update src/__tests__/httpClient.spec.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: gcatanese

src/__tests__/httpClient.spec.ts

@@ -159,7 +159,7 @@ describe("HTTP Client", function (): void {
         expect(response).toEqual<binlookup.ThreeDSAvailabilityResponse>(threeDSAvailabilitySuccessResponse);
     });
 
-    test("should make a request with custom headers", async function (): Promise<void> {
+    test("should make a request with custom headers", async (): Promise<void> => {
         const client = createClient();
         const checkout = new CheckoutAPI(client);