Testing!

This release has focused on making it much easier to integrate testing
into your workflow. Auto-testing, CLI testing for dev ops integration,
and headless testing support come together to make testing a major
feature in figwheel.main.

See the testing documentation here: https://figwheel.org/docs/testing.html
See the async main script docs here: https://figwheel.org/docs/main_script.html

• auto discovery and display of tests found in your source files with :auto-testing true
• added async support to the --main CLi arg that also supports non-zero exit status
• :launch-js option was created to support use of headless environments during testing Learn more
• fixed regresion where --compile --repl didn't start a repl