tests: detect same uuid on PV

Check we know how to handle same UUID
Test  currently does NOT work on lvmetad
(or it's unclear it even should - thus test error
is currently lowered to 'test warning')

TODO: replace lib/test with a better shell script name

test/shell/lvmetad-same-uuid.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+# Copyright (C) 2014 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+. lib/test
+
+aux prepare_devs 3
+
+pvcreate "$dev1"
+UUID1=$(get pv_field "$dev1" uuid)
+pvcreate --config "devices{filter=[\"a|$dev2|\",\"r|.*|\"]}" -u "$UUID1" --norestorefile "$dev2"
+pvcreate --config "devices{filter=[\"a|$dev3|\",\"r|.*|\"]}" -u "$UUID1" --norestorefile "$dev3"
+
+pvs -o+uuid |& tee out
+COUNT=$(should grep --count "Found duplicate" out)
+
+# FIXME  lvmetad is not able to serve properly this case
+should [ "$COUNT" -eq 2 ]
+
+pvs -o+uuid --config "devices{filter=[\"a|$dev2|\",\"r|.*|\"]}"