New tests

Author: sebmarkbage

packages/react-reconciler/src/__tests__/ReactIsomorphicAct-test.js

@@ -25,7 +25,7 @@ describe('isomorphic act()', () => {
     DiscreteEventPriority = require('react-reconciler/constants')
       .DiscreteEventPriority;
     act = React.unstable_act;
-    use = React.experimental_use;
+    use = React.use;
     Suspense = React.Suspense;
     startTransition = React.startTransition;
   });

packages/react/src/__tests__/ReactFetch-test.js

@@ -50,7 +50,7 @@ describe('ReactFetch', () => {
     React = require('react');
     ReactServerDOMServer = require('react-server-dom-webpack/server.browser');
     ReactServerDOMClient = require('react-server-dom-webpack/client');
-    use = React.experimental_use;
+    use = React.use;
     cache = React.cache;
   });