Run a11ystate.test separately and mark it as flaky for now

This is due to a known failure: state/focus1.ui passes in a desktop
session but fails in a minimal autopkgtest VM. Treating one test as
flaky seems better than treating all tests as flaky.

debian/tests/control

@@ -4,4 +4,8 @@ Restrictions: allow-stderr
 
 Tests: installed-tests
 Depends: at-spi2-core, dbus (>= 1.8), gnome-desktop-testing (>= 2018.1-1~), gtk-3-examples, xauth, xvfb
+Restrictions: allow-stderr
+
+Tests: installed-tests-a11ystate
+Depends: at-spi2-core, dbus (>= 1.8), gnome-desktop-testing (>= 2018.1-1~), gtk-3-examples, xauth, xvfb
 Restrictions: allow-stderr, flaky

debian/tests/installed-tests

@@ -11,9 +11,13 @@ export GIO_USE_VOLUME_MONITOR=unix
 
 export XDG_RUNTIME_DIR="$AUTOPKGTEST_TMP"
 
+tests=$(gnome-desktop-testing-runner -l gtk+ |
+    cut -f1 -d' ' |
+    grep -v '^gtk./a11ystate.test$')
+
 exec dbus-run-session -- \
 xvfb-run -a -s "-screen 0 1024x768x24" \
 gnome-desktop-testing-runner \
 --report-directory="$AUTOPKGTEST_ARTIFACTS" \
 --tap \
-gtk+
+$tests

debian/tests/installed-tests-a11ystate

@@ -0,0 +1,19 @@
+#!/bin/sh
+# autopkgtest check: Run the installed-tests to verify GTK+ works correctly
+# Based on glib2.0's d/tests/installed-tests, (C) 2013 Canonical Ltd.
+
+set -e
+
+# Disable gvfs if it happens to be installed. We want to test the built-in
+# stuff
+export GIO_USE_VFS=local
+export GIO_USE_VOLUME_MONITOR=unix
+
+export XDG_RUNTIME_DIR="$AUTOPKGTEST_TMP"
+
+exec dbus-run-session -- \
+xvfb-run -a -s "-screen 0 1024x768x24" \
+gnome-desktop-testing-runner \
+--report-directory="$AUTOPKGTEST_ARTIFACTS" \
+--tap \
+"gtk+/a11ystate.test"