 diff --git a/babel.config.js b/babel.config.js
-index f314ca4c3b..9cc20c7d7b 100644
+index 2023a104f5..7435aa568c 100644
 --- a/babel.config.js
 +++ b/babel.config.js
-@@ -48,7 +48,16 @@ const productionPlugins = [
+@@ -47,7 +47,16 @@ const productionPlugins = [
  ];
  
  module.exports = {

       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 />', () => {

   plugins: [
     [
       'babel-plugin-macros',
diff --git a/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js b/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js
index 197b2f77a3..f1ead08079 100644
--- a/packages/material-ui-styles/src/ThemeProvider/ThemeProvider.test.js
