* replace with alert toast body, replace with this.server.schema
* revert changes to db,schema
* use common selector, alert toast body
* replace ERROR_MSG_SELECTOR with common selector ALERT_TOAST_BODY
* chore: 🤖 update ember-a11y-testing and @ember/test-helpers
* chore: 🤖 upgrade to v7
* chore: 🤖 upgrade deps and force resolutions to fix errors
* chore: 🤖 fix ember-a11y errors due to summary title not showing
* chore: 🤖 fix yarn.lock