commit 7b30ed9eda20325fe65c8448775ed4c988cc733a
author Lasse R.H. Nielsen <lrn@google.com> Fri Jun 17 16:08:21 2022 +0200
committer GitHub <noreply@github.com> Fri Jun 17 07:08:21 2022 -0700
tree 8c6b74f0172504d567d7a667cbc00bac89578427
parent 90ec2561a9725d54597498d51b23f1ccf09a6db1

Fix test which assumes `toString` of `NullThrownError()`. (#1721)

The `NullThrownError` is deprecated.
It should not be possible to have it thrown by null safe Dart, and the type is being replaced by a `TypeError` in general.

A test here assumes that the `toString` of a `NullThrownError` is `Instance of 'NullThrownError'`, where it's now `Instance of 'TypeError'`.
In general, we do not promise that `toString` of error objects are stable. (Our breaking-change rules do not promise to not break programs which depend on specific `Error`s being thrown.)