[test] Try screenshot resize with sharp

Author: oliviertassinari

package.json

@@ -34,7 +34,7 @@
     "test:coverage": "cross-env NODE_ENV=test BABEL_ENV=coverage nyc mocha 'packages/**/*.test.js' 'docs/**/*.test.js' --exclude '**/node_modules/**' && nyc report -r lcovonly",
     "test:coverage:html": "cross-env NODE_ENV=test BABEL_ENV=coverage nyc mocha 'packages/**/**/*.test.js' --exclude '**/node_modules/**' && nyc report --reporter=html",
     "test:karma": "cross-env NODE_ENV=test karma start test/karma.conf.js",
-    "test:regressions": "webpack --config test/regressions/webpack.config.js && rimraf test/regressions/screenshots/chrome/* && vrtest run --config test/vrtest.config.js --record",
+    "test:regressions": "webpack --config test/regressions/webpack.config.js && rimraf test/regressions/screenshots/chrome/* && vrtest-olivier run --config test/vrtest.config.js --record",
     "test:umd": "node packages/material-ui/test/umd/run.js",
     "test:unit": "cross-env NODE_ENV=test mocha 'packages/**/*.test.js' 'docs/**/*.test.js' 'scripts/**/*.test.js' --exclude '**/node_modules/**'",
     "test:watch": "yarn test:unit --watch",
@@ -138,7 +138,7 @@
     "tslint": "5.14.0",
     "typescript": "^3.8.2",
     "typescript-to-proptypes": "^1.4.0",
-    "vrtest": "^0.2.0",
+    "vrtest-olivier": "^0.3.0",
     "webpack": "^4.41.0",
     "webpack-cli": "^3.3.9",
     "yargs": "^15.2.0",

test/regressions/index.js

@@ -1,6 +1,6 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import vrtest from 'vrtest/client';
+import vrtest from 'vrtest-olivier/client';
 import webfontloader from 'webfontloader';
 import TestViewer from './TestViewer';