build: Install httpcache if installed-tests are enabled

Signed-off-by: Simon McVittie <smcv@debian.org>
Forwarded: https://github.com/flatpak/flatpak/pull/1989

Gbp-Pq: Name build-Install-httpcache-if-installed-tests-are-enabled.patch

flatpak (1.0.0-1) unstable; urgency=medium

  * New upstream stable release
  * (Build-)Depend on ostree 2018.7
  * flatpak Recommends p11-kit, for p11-kit-server
  * d/p/build-Install-httpcache-if-installed-tests-are-enabled.patch,
    d/p/tests-Look-for-httpcache-in-test_builddir-not-PATH.patch:
    Add patches to fix installed-tests
  * d/p/Make-test-scripts-bilingual-Python-2-Python-3.patch,
    d/p/test-webserver-Be-more-verbose-about-what-we-re-doing.patch:
    Add patch to make test scripts equally valid in Python 3
  * d/p/tests-Remove-vestigial-support-for-putting-Python-2-in-a-.patch:
    Remove support for including Python 2 in a runtime, which is only
    used in flatpak-builder
  * d/p/debian/Use-Python-3-for-test-web-server.patch:
    Expand to cover more test code
  * Standards-Version: 4.2.0

[dgit import unpatched flatpak 1.0.0-1]

Import flatpak_1.0.0.orig.tar.xz

[dgit import orig flatpak_1.0.0.orig.tar.xz]

Import flatpak_1.0.0-1.debian.tar.xz

[dgit import tarball flatpak 1.0.0-1 flatpak_1.0.0-1.debian.tar.xz]