Bug#879197: autopkgtest: Please support @testdeps@ i.e. subset of @builddeps@ marked with <!nocheck>

[infinity0@debian.org (Ximin Luo)]

Package: autopkgtest
Version: 5.0.1
Severity: wishlist

Dear Maintainer,

These days one is able to mark build-dependencies that are needed to run tests
by annotating the Build-Depends with <!nocheck>.

It would be nice to support a @testdeps@ syntax for Depends: in autopkgtest as a
convenience alias for all of the Build-Depends that are marked with <!nocheck>.
This helps to avoid duplication and makes it easier to maintain.

X

-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'buildd-unstable'), (300, 'unstable'), (100, 'experimental'), (1, 'experimental-debug')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.12.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8), LANGUAGE=en_GB:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages autopkgtest depends on:
ii  apt-utils       1.5
ii  libdpkg-perl    1.18.24
ii  procps          2:3.3.12-3
ii  python3         3.5.3-3
ii  python3-debian  0.1.31

Versions of packages autopkgtest recommends:
ii  autodep8  0.10

Versions of packages autopkgtest suggests:
pn  lxc          <none>
pn  lxd-client   <none>
ii  qemu-system  1:2.10.0+dfsg-2
ii  qemu-utils   1:2.10.0+dfsg-2
ii  schroot      1.6.10-4

-- no debconf information