bug#69804: 30.0.50; The ert test selection prompt does not accept all selectors

[Ola x Nilsson]

While running ert interactively, it is not possible to enter a space
characte at the `ert-run-tests-interactively' selection prompt.  This
makes it impossible to use the `member', `eql', `and', `or', `not',
`tag' and `satifies' selectors from the prompt except by yanking them.

This is a probably a consequence of the shift to `completing-read' in
3dab0a832c6b back in 2013.

I have verified that this is the case also in emacs -Q.

/Ola


In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.20, cairo version 1.16.0) of 2024-03-12 built on lap5cg80647hz
Repository revision: a7a37341cad230448e487d0ffa343eeeb8a66a65
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12013000
System Description: Ubuntu 20.04.6 LTS

Configured using:
 'configure --with-native-compilation=aot --with-mailutils
 --with-tree-sitter'

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP
NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: ERT-Results

Minor modes in effect:
  tracking-mode: t
  buffer-positions-mode: t
  global-git-commit-mode: t
  magit-auto-revert-mode: t
  hes-mode: t
  server-mode: t
  desktop-save-mode: t
  which-function-mode: t
  display-time-mode: t
  global-auto-revert-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/olani/emacs-packages/cov/cov hides 
/home/olani/.emacs.d/elpa-lap5cg80647hz-30.0.50/cov-20231007.254/cov
/home/olani/.emacs.d/elpa-lap5cg80647hz-30.0.50/hydra-0.15.0/lv hides 
/home/olani/.emacs.d/elpa-lap5cg80647hz-30.0.50/lv-20200507.1518/lv
/home/olani/.emacs.d/elpa-lap5cg80647hz-30.0.50/transient-20240311.1638/transient
 hides /usr/local/share/emacs/30.0.50/lisp/transient

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Memory information:
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 (strings 32 291237 13865) (string-bytes 1 8358736) (vectors 16 89550)
 (vector-slots 8 1912175 180084) (floats 8 673 8201)
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