Re-enable SignalR HTTP/2 test (#20178)

Author: BrennanConroy

src/SignalR/clients/ts/FunctionalTests/ts/HubConnectionTests.ts

@@ -79,8 +79,7 @@ describe("hubConnection", () => {
             });
 
             if (shouldRunHttpsTests) {
-                // xit will skip the test
-                xit("using https, can invoke server method and receive result", (done) => {
+                it("using https, can invoke server method and receive result", (done) => {
                     const message = "你好，世界！";
 
                     const hubConnection = getConnectionBuilder(transportType, TESTHUBENDPOINT_HTTPS_URL, { httpClient })