Npm test in bitbucket pipelines : SyntaxError: Unexpected identifier "Import"

[WoodyFleurant]

I am trying to use rasa-webchat Widget in an new ReactJs project but
when I do npm test in bitbucket pipeline I get the following error

/opt/atlassian/pipelines/agent/build/node_modules/rasa-webchat/index.js:1
({"Object.":function(module,exports,require,__dirname,__filename,global,jest){import React from 'react';

SyntaxError: Unexpected identifier
  1 | import React, { Component } from 'react';
> 2 | import { Widget } from 'rasa-webchat';

I tried the same code changing the import from rasa-webchat to react-chat-widget and it works fine. So I think there is something wrong happening due to this plugin

I'm using this Docker image on my pipeline: node:11.6.0

Here are my dependencies :

  "dependencies": {
    "rasa-webchat": "github:mrbot-ai/rasa-webchat",
    "react": "^15.6.2",
    "react-chat-widget": "^2.1.4-1",
    "react-dom": "^15.6.2",
    "react-scripts": "2.1.3"
  }

Any help would be appreciated

[MatthieuJnon]

If someone is still having this issue, please open a new issue, thank you