Visual regression testing

[adamstankiewicz]

https://blog.logrocket.com/automated-visual-regression-testing-with-jest/

Explore use of jest-image-snapshot and jsdom-screenshot to automate testing for regressions in visual styles.

Some initial concerns:

• [ ] "Works on my machine". Running tests in a docker container could help mitigate this.

AC

• Implement prototype of visual regression testing (potentially using above libraries?) for at least 2-3 components.
• Understand the "noise" thresholds of "works on my machine" issue.

[adamstankiewicz]

Potentially look into https://github.com/cypress-visual-regression/cypress-visual-regression as an alternative as well.