message: udpate test assert
diff: @@ -394,10 +394,10 @@ export class ApplicationInsightsTests extends TestClass {
  Assert.ok(this.trackSpy.calledThrice, "trackDependencyDataInternal is called");
  Assert.equal("Fetch", this.trackSpy.args[0][0].type, "request is Fetch type");
  Assert.equal('value', this.trackSpy.args[0][0].properties.requestHeaders['header'], "fetch request's user defined request header is stored");
  - Assert.notEqual(undefined, this.trackSpy.args[0][0].properties.responseHeaders, "fetch request's reponse header is stored");
  + Assert.ok(this.trackSpy.args[0][0].properties.responseHeaders, "fetch request's reponse header is stored");
  Assert.equal(2, Object.keys(this.trackSpy.args[1][0].properties.requestHeaders).length, "two request headers set up when there's no user defined request header");
  - Assert.notEqual(undefined, this.trackSpy.args[1][0].properties.requestHeaders[RequestHeaders.requestIdHeader], "Request-Id header");
  - Assert.notEqual(undefined, this.trackSpy.args[1][0].properties.requestHeaders[RequestHeaders.requestContextHeader], "Request-Context header");
  + Assert.ok(this.trackSpy.args[1][0].properties.requestHeaders[RequestHeaders.requestIdHeader], "Request-Id header");
  + Assert.ok(this.trackSpy.args[1][0].properties.requestHeaders[RequestHeaders.requestContextHeader], "Request-Context header");
  })
  });
  } else {
  