Fix jest

Author: davidbrochart

packages/docprovider/jest.config.js

@@ -8,6 +8,8 @@ const jestJupyterLab = require('@jupyterlab/testing/lib/jest-config');
 const esModules = [
   '@codemirror',
   '@jupyter/ydoc',
+  '@jupyter/react-components',
+  '@jupyter/web-components',
   '@jupyterlab/',
   'lib0',
   'nanoid',