zdtm.py: check restore when criu dump runs over a non-root user

Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

test/jenkins/criu-user.sh

@@ -3,4 +3,4 @@ set -e
 source `dirname $0`/criu-lib.sh
 prep
 mount_tmpfs_to_dump
-./test/zdtm.py run --all --keep-going --report report --parallel 4 --user --norst -x 'maps04' || fail
+./test/zdtm.py run --all --keep-going --report report --parallel 4 --user -x 'maps04' || fail

test/zdtm.py

@@ -714,7 +714,10 @@ class criu_cli:
 		if self.__script:
 			s_args += ['--action-script', self.__script]
 
-		preexec = self.__user and self.set_user_id or None
+		if action == "restore":
+			preexec = None
+		else:
+			preexec = self.__user and self.set_user_id or None
 
 		__ddir = self.__ddir()