Fix testing-lib fail

Author: eps1lon

patches/@testing-library+react+9.3.1.patch

@@ -0,0 +1,27 @@
+diff --git a/node_modules/@testing-library/react/dist/@testing-library/react.esm.js b/node_modules/@testing-library/react/dist/@testing-library/react.esm.js
+index f25d5fb..e647f88 100644
+--- a/node_modules/@testing-library/react/dist/@testing-library/react.esm.js
++++ b/node_modules/@testing-library/react/dist/@testing-library/react.esm.js
+@@ -31,15 +31,17 @@ try {
+   // we can't use regular timers because they may still be faked
+   // so we try MessageChannel+postMessage instead
+   enqueueTask = function (callback) {
+-    if (didWarnAboutMessageChannel === false) {
++    const supportsMessageChannel = typeof MessageChannel === 'function';
++    if (supportsMessageChannel) {
++      var channel = new MessageChannel();
++      channel.port1.onmessage = callback;
++      channel.port2.postMessage(undefined);
++    } else if (didWarnAboutMessageChannel === false) {
+       didWarnAboutMessageChannel = true; // eslint-disable-next-line no-console
+ 
+-      console.error(typeof MessageChannel !== 'undefined', 'This browser does not have a MessageChannel implementation, ' + 'so enqueuing tasks via await act(async () => ...) will fail. ' + 'Please file an issue at https://github.com/facebook/react/issues ' + 'if you encounter this warning.');
++      console.error('This browser does not have a MessageChannel implementation, ' + 'so enqueuing tasks via await act(async () => ...) will fail. ' + 'Please file an issue at https://github.com/facebook/react/issues ' + 'if you encounter this warning.');
+     }
+ 
+-    var channel = new MessageChannel();
+-    channel.port1.onmessage = callback;
+-    channel.port2.postMessage(undefined);
+   };
+ }
+