Is your feature request related to a problem? Please describe.
Add visual regression tests with image snapshot comparisons.
This can be applied to:

• storybook stories
• custom tests

Describe the solution you'd like
Evaluate the following:

• custom implementation with jest-puppeteer
• storyshots-puppeteer
• percy or other SaaS tools
• loki

Requirements:

• single snapshot comparisons
• comparisons between different renderings canvas === svg ? ok : fail

References:

• https://github.com/mojoaxel/awesome-regression-testing