Automate integration tests

[skeet70]

Our current integration test suite is large and comprehensive but is only runnable manually. OSS folks who open PRs can't run them and it's a big process for us to run them manually. Make it possible to trigger integration tests.

For integration tests to run:

• ironcore-id needs to be running locally with its postgres DB
• project, assertion key, and segment info that is valid on that ironcore-id instance needs to be in integration/projects/project.json (can probably be canned DB scripts)
• https certs for dev1.scrambledbits.org need to be up to date (automating this is the hardest part)
• yarn start needs to run the integration app
• yarn nightwatch can then run the suite, though that requires chrome to be installed so chromedriver works

A possible workaround to the https certs issue would be to make the integration app not require https, but the scope of that is unknown at the time of writing this ticket.

[skeet70]

"desiredCapabilities" : {
  "browserName" : "firefox",
  "acceptInsecureCerts" : true
}

It's possible that using this setting we can not care about any of the cert stuff anymore.

[BobWall23]

Possibly start chrome in a mode that accepts untrusted certs. If that wouldn't work, could potentially install a CA and generate certs when running the tests.

Why will it still be hard? No one knows, but they know it will be.