bug#72004: 30.0.50, master: 'erc--check-prompt-input-for-multiline-blanks' test fail

[Eli Zaretskii <eliz@gnu.org>]

> From: Andrea Corallo <acorallo@gnu.org>
> Date: Tue, 09 Jul 2024 04:08:06 -0400
> 
> Since few days I see 'erc--check-prompt-input-for-multiline-blanks'
> failing.  I think the fail is intermittent and because of that I could
> not determine the commit that introduced it.
> 
> I observe this both on emacs-30 both on master, the first commit in
> emacs-30 where I observed it is 2fb6a98ecfa1579273a640e923f2e52f75e1f7ad
> which seems unrelated (but I mention it so we have a point in time).
> 
> This is the output I see:
> 
> Test erc--check-prompt-input-for-multiline-blanks backtrace:
>   user-error("Process not running")
>   erc--run-input-validation-checks(#s(erc--input-split :string "a" :in
>   run-hook-with-args(erc--run-input-validation-checks #s(erc--input-sp
>   erc-send-current-line()
>   #f(compiled-function (next) #<bytecode 0x1eab02298fb35043>)(#f(lambd
>   funcall(#f(compiled-function (next) #<bytecode 0x1eab02298fb35043>)
>   (progn (fset 'erc-server-buffer vnew) (fset 'erc-process-input-line
>   (unwind-protect (progn (fset 'erc-server-buffer vnew) (fset 'erc-pro
>   (let* ((vnew #'(lambda (&rest r) (setq calls (cons r calls)))) (vnew
>   (let* ((erc--input-review-functions (remove 'erc-add-to-input-ring e
>   (save-current-buffer (set-buffer (get-buffer-create "FakeNet")) (let
>   erc-tests-common-with-process-input-spy(#f(compiled-function (next)
>   #f(compiled-function () #<bytecode -0xaf493cb21b42d4b>)()
>   #f(compiled-function () #<bytecode -0x1a6c2873f655e48c>)()
>   handler-bind-1(#f(compiled-function () #<bytecode -0x1a6c2873f655e48
>   ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
>   ert-run-test(#s(ert-test :name erc--check-prompt-input-for-multiline
>   ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
>   ert-run-tests((not (or (tag :expensive-test) (tag :unstable))) #f(co
>   ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable)))
>   ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
>   eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
>   command-line-1(("-L" ":." "-l" "ert" "--eval" "(setq treesit-extra-l
>   command-line()
>   normal-top-level()
> Test erc--check-prompt-input-for-multiline-blanks condition:
>     Info: Opts: (+wb -sw), Input: "a", want: (a)
>     (user-error "Process not running")
>    FAILED   5/95  erc--check-prompt-input-for-multiline-blanks (10.525627 sec) at lisp/erc/erc-tests.el:1637

Adding the ERC developer to the discussion.