bug#11218: with-demoted-errors use of condition-case-unless-debug; ert

[Stefan Monnier]

> (defun foo ()
>   (with-demoted-errors (error "error!"))
>   t)
>
> (ert-deftest test-foo ()
>   "Test foo"
>   (should (foo)))
>
> M-x ert RET test-foo RET
>
> Selector: test-foo
> Passed: 0
> Failed: 1 (1 unexpected)
> Total:  1/1
>
> If you replace with-demoted-errors with ignore-errors, the test passes.

Looks like a bug in ERT.


        Stefan