Error about loading dynamic modules when running tests.

[damontgomery]

If you run the tests and get errors like:

Failed to fetch dynamically imported module

When you are using ifDefined from Lit...

[damontgomery]

You may swap the import from import { ifDefined } from 'lit/directives/if-defined'; to import { ifDefined } from 'lit/directives/if-defined.js';. Not the .js.

See https://stackoverflow.com/a/67520135