test(cli): Refactor E2E tests

[dnys1]

And add test for child process passed to celest start

[dnys1]

• test(cli): Add E2E test for package:celest_test #382
• test(cli): Add E2E test for login #381
• chore(cli): Fix log statement #380
• chore(cli): Add connection monitor #379
• test(cli): Refactor E2E tests #378 👈 (View in Graphite)
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[dnys1]

Merge activity

• Apr 30, 9:37 AM PDT: A user started a stack merge that includes this pull request via Graphite.
• Apr 30, 9:38 AM PDT: @dnys1 merged this pull request with Graphite.