[test] Temporary run regression tests with @material-ui/styles

Author: eps1lon

test/regressions/index.js

@@ -2,9 +2,12 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import vrtest from 'vrtest/client';
 import webfontloader from 'webfontloader';
+import { install as installNextStyles } from '@material-ui/styles';
 import { createMuiTheme, MuiThemeProvider } from '@material-ui/core/styles';
 import TestViewer from './TestViewer';
 
+installNextStyles();
+
 const theme = createMuiTheme({
   typography: {
     useNextVariants: true,