[test] Update react next patch

Author: eps1lon

scripts/react-next.diff

@@ -1,8 +1,8 @@
 diff --git a/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js b/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
-index 1fd4bad8b..20d22063b 100644
+index af7e296af..144de6de4 100644
 --- a/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
 +++ b/packages/material-ui-lab/src/Autocomplete/Autocomplete.test.js
-@@ -1038,8 +1038,6 @@ describe('<Autocomplete />', () => {
+@@ -1109,8 +1109,6 @@ describe('<Autocomplete />', () => {
          fireEvent.change(textbox, { target: { value: 'a' } });
          fireEvent.keyDown(textbox, { key: 'Enter' });
        }).toErrorDev([
@@ -11,7 +11,7 @@ index 1fd4bad8b..20d22063b 100644
          'Material-UI: The `getOptionLabel` method of Autocomplete returned undefined instead of a string',
          'Material-UI: The `getOptionLabel` method of Autocomplete returned undefined instead of a string',
          'Material-UI: The `getOptionLabel` method of Autocomplete returned undefined instead of a string',
-@@ -1094,9 +1092,6 @@ describe('<Autocomplete />', () => {
+@@ -1165,9 +1163,6 @@ describe('<Autocomplete />', () => {
            />,
          );
        }).toWarnDev([
@@ -21,7 +21,7 @@ index 1fd4bad8b..20d22063b 100644
          'None of the options match with `"not a good value"`',
          'None of the options match with `"not a good value"`',
        ]);
-@@ -1122,11 +1117,7 @@ describe('<Autocomplete />', () => {
+@@ -1193,11 +1188,7 @@ describe('<Autocomplete />', () => {
              groupBy={(option) => option.group}
            />,
          );
@@ -35,7 +35,7 @@ index 1fd4bad8b..20d22063b 100644
        expect(options).to.have.length(7);
        expect(options).to.deep.equal(['A', 'D', 'E', 'B', 'G', 'F', 'C']);
 diff --git a/packages/material-ui-lab/src/TreeView/TreeView.test.js b/packages/material-ui-lab/src/TreeView/TreeView.test.js
-index 056a9fcbc..21eeee2cf 100644
+index 7169af632..481b8106c 100644
 --- a/packages/material-ui-lab/src/TreeView/TreeView.test.js
 +++ b/packages/material-ui-lab/src/TreeView/TreeView.test.js
 @@ -8,6 +8,7 @@ import { getClasses } from '@material-ui/core/test-utils';
@@ -46,16 +46,6 @@ index 056a9fcbc..21eeee2cf 100644
 
  describe('<TreeView />', () => {
    let classes;
-@@ -58,7 +59,8 @@ describe('<TreeView />', () => {
- 
-     // should not throw eventually or with a better error message
-     // FIXME: https://github.com/mui-org/material-ui/issues/20832
--    it('crashes when unmounting with duplicate ids', () => {
-+    // FIXME: unclear what is happening in react@next
-+    it.skip('crashes when unmounting with duplicate ids', () => {
-       const CustomTreeItem = () => {
-         return <TreeItem nodeId="iojerogj" />;
-       };
 diff --git a/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js b/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js
 index 46238825d..bcf275893 100644
 --- a/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js
@@ -156,6 +146,35 @@ index ef6533f4b..bd5633dc4 100644
        });
      });
    });
+diff --git a/packages/material-ui/src/Unstable_TrapFocus/Unstable_TrapFocus.js b/packages/material-ui/src/Unstable_TrapFocus/Unstable_TrapFocus.js
+index 97fac726d..e43c9f5d4 100644
+--- a/packages/material-ui/src/Unstable_TrapFocus/Unstable_TrapFocus.js
++++ b/packages/material-ui/src/Unstable_TrapFocus/Unstable_TrapFocus.js
+@@ -159,11 +159,19 @@ function Unstable_TrapFocus(props) {
+ 
+       // restoreLastFocus()
+       if (!disableRestoreFocus) {
+-        // In IE 11 it is possible for document.activeElement to be null resulting
+-        // in nodeToRestore.current being null.
+-        // Not all elements in IE 11 have a focus method.
+-        // Once IE 11 support is dropped the focus() call can be unconditional.
+-        if (nodeToRestore.current && nodeToRestore.current.focus) {
++        if (
++          // In IE 11 it is possible for document.activeElement to be null resulting
++          // in nodeToRestore.current being null.
++          nodeToRestore.current &&
++          // Not all elements in IE 11 have a focus method.
++          // Once IE 11 support is dropped the focus() call can be unconditional.
++          nodeToRestore.current.focus &&
++          // We actually only want a WeakRef to nodeToRestore.
++          // If it's already unmounted don't restore focus to it.
++          // Can't reproduce it on an isolated test but "should trap once the focus moves inside" failed due to interleaving restore logic from the previous test.
++          // TODO: Is this a JSDOM issue?
++          nodeToRestore.current.isConnected
++        ) {
+           nodeToRestore.current.focus();
+         }
+ 
 diff --git a/packages/material-ui/src/internal/SwitchBase.test.js b/packages/material-ui/src/internal/SwitchBase.test.js
 index 27b143abf..7c321b14a 100644
 --- a/packages/material-ui/src/internal/SwitchBase.test.js