* write tests for invite-only mode and auth-providers
* text edits
* modify specs in light of new e2e database setup
* Still working things out
* Added the admin user name to the e2e fixture data.
* Added testid for config sections.
* Fixed up test to use cypress-testing-library APIs.
* Fixed unsetting invite only mode, still need to reset it at end of test.
* Small fix for local e2e development.
* Complete all tests; generalize updateAdminConfig cypress command
* correct spec
* Complete implementation
* Address code review comments
* address code review comments #2
Co-authored-by: Nick Taylor <nick@dev.to>