TypError running spec: unhandled promise rejection

[plweil]

All of my tests ran fine under Cypress 8 and 9. Now I try to run a test with v10.10 on one super-simple spec and I get this cryptic error, the like of which I have never seen before from Cypress

The following error originated from your test code, not from Cypress. It was caused by an unhandled promise rejection.

> h2 is null

When Cypress detects uncaught errors originating from your test code it will automatically fail the current test.

Cypress could not associate this error to any specific test.

We dynamically generated a new test to display this failure.

It then provides a stacktrace (below) that is of no help. I can't find any tests containing 'h2'.

The current test is this:

describe('Login flow for Unregistered user with NetID', function () {
  beforeEach(function () {
    Cypress.config('baseUrl', 'http://widea-unregistered.test/')
    cy.exec('php artisan db:seed --env=testing')
  })

  it.only('Redirects user to registration form', function () {
    cy.visit('/')

    cy.get('[data-cy=login]').click()

    cy.url().should('include', '/register')
  })
  
  })

How I track this this down?

    at j$1 (http://wisconsin-idea.test/__cypress/tests?p=cypress/e2e/login-unregistered.cy.js:24764:86)
    at <unknown> (http://wisconsin-idea.test/__cypress/tests?p=cypress/e2e/login-unregistered.cy.js:25528:6)
    at <unknown> (http://wisconsin-idea.test/__cypress/tests?p=cypress/e2e/login-unregistered.cy.js:2:66)
    at <unknown> (http://wisconsin-idea.test/__cypress/tests?p=cypress/e2e/login-unregistered.cy.js:3:3)
    at ../driver/src/cypress/script_utils.ts/evalScripts (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:165590:23)
    at tryCatcher (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:11318:23)
    at gotValue (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:10460:18)
    at gotAccum (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:10449:25)
    at tryCatcher (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:11318:23)
    at ../../node_modules/bluebird/js/release/promise.js/</module.exports/Promise.prototype._settlePromiseFromHandler (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:9253:31)
    at ../../node_modules/bluebird/js/release/promise.js/</module.exports/Promise.prototype._settlePromise (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:9310:18)
    at ../../node_modules/bluebird/js/release/promise.js/</module.exports/Promise.prototype._settlePromise0 (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:9355:10)
    at ../../node_modules/bluebird/js/release/promise.js/</module.exports/Promise.prototype._settlePromises (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:9435:18)
    at _drainQueueStep (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:6025:12)
    at _drainQueue (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:6018:24)
    at ../../node_modules/bluebird/js/release/async.js/</Async.prototype._drainQueues (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:6034:16)
    at ../../node_modules/bluebird/js/release/async.js/</Async/this.drainQueues (http://wisconsin-idea.test/__cypress/runner/cypress_runner.js:5904:14)