          'None of the options match with `"not a good value"`',
          'None of the options match with `"not a good value"`',
        ]);
-@@ -1223,11 +1218,7 @@ describe('<Autocomplete />', () => {
+@@ -1257,11 +1252,7 @@ describe('<Autocomplete />', () => {
              groupBy={(option) => option.group}
            />,
          );

         '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',
@@ -1195,9 +1193,6 @@ describe('<Autocomplete />', () => {
           />,
         );
       }).toWarnDev([

       [
         `Material-UI: You are using a variant value \`test\` for which you didn't define styles.`,
         `Please create a new variant matcher in your theme for this variant. To learn more about matchers visit https://next.material-ui.com/r/custom-component-variants.`,
diff --git a/packages/material-ui-utils/src/elementAcceptingRef.test.tsx b/packages/material-ui-utils/src/elementAcceptingRef.test.tsx
index 10c5a998cb..b5390af22b 100644
--- a/packages/material-ui-utils/src/elementAcceptingRef.test.tsx
+++ b/packages/material-ui-utils/src/elementAcceptingRef.test.tsx
@@ -89,11 +89,11 @@ describe('elementAcceptingRef', () => {
 
     it('accepts lazy', () => {
       const Component = React.lazy(() =>
-        Promise.resolve({ default: (props: any) => <div {...props} /> }),
+        Promise.resolve({
+          default: React.forwardRef((props, ref) => <div {...props} ref={ref} />),
+        }),
       );
 
-      // should actually fail when mounting since the ref is forwarded to a function component
-      // but since this happens in a promise our consoleErrorMock doesn't catch it properly
       assertPass(<Component />);
     });
 
diff --git a/packages/material-ui/src/Breadcrumbs/Breadcrumbs.test.js b/packages/material-ui/src/Breadcrumbs/Breadcrumbs.test.js
index c397f4b9f0..2fbea8f53e 100644
--- a/packages/material-ui/src/Breadcrumbs/Breadcrumbs.test.js
+++ b/packages/material-ui/src/Breadcrumbs/Breadcrumbs.test.js
@@ -100,7 +100,6 @@ describe('<Breadcrumbs />', () => {
