update unit test

Author: liustve

aws-distro-opentelemetry-node-autoinstrumentation/test/patches/instrumentation-patch.test.ts

@@ -573,7 +573,7 @@ describe('InstrumentationPatchTest', () => {
       };
       await mockedMiddlewareStackInternal[0][0]((arg: any) => Promise.resolve(), null)(middlewareArgsNoHeader);
       expect(middlewareArgsNoHeader.request.headers['isCarrierModified']).toEqual('carrierIsModified');
-      expect(middlewareArgsNoHeader.request.headers).not.toContain(AWSXRAY_TRACE_ID_HEADER);
+      expect(middlewareArgsNoHeader.request.headers).not.toContain('X-Amzn-Trace-Id');
 
       expect(mockedMiddlewareStackInternal[0][1].name).toEqual('_adotInjectXrayContextMiddleware');
       sinon.restore();