Add Tests for the Browser version

[lholmquist]

At the moment all our tests are non-browser related. This issue #525 showed that breakage can occur in the browser since webpack no longer polyfills node apis by default.

It would be nice if we had some tests that tested some of the browser functionality

[github-actions]

This issue is stale because it has been open 30 days with no activity.

[github-actions]

This issue is stale because it has been open 30 days with no activity.