* test: 💍 test 1
* chore: 🤖 remove waitForPromise use
* chore: 🤖 remove all other waitforpromise usage
* test: 💍 turn down polling
* test: 💍 use .json
* refactor: 💡 add waitForPromise back in & consume response body
* test: 💍 some testing
* test: 💍 more testing
* refactor: 💡 clean-up a bit
* refactor: 💡 use head method request & clean up comments
* refactor: 💡 use get method & consume response body
* test: 💍 fix token validation test cases
* refactor: 💡 replace ember notify with flash in notify decorator
* refactor: 💡 remove embery-notify and replace last instance
* chore: 🤖 upgrade ember dependencies in anticipation of ember 4
* refactor: 💡 add standalone server mocks to auth tests
Co-authored-by: Susmitha Girumala <susmitha@hashicorp.com>