test: create /etc in a temporary root

inotify_irmap creates files in /etc so it should be able to do
this from userns.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/zdtm.sh

@@ -419,6 +419,10 @@ construct_root()
 	local tmpdir=$root/tmp
 	local lname tname
 
+	# inotify_irmap creates files in /etc so it should be able to do
+	# this from userns.
+	mkdir -m 0777 -p $root/etc
+
 	mkdir -p $root/bin
 	cp $ps_path $root/bin
 

test/zdtm/live/static/inotify_irmap.c

@@ -30,7 +30,6 @@ int main (int argc, char *argv[])
 
 	test_init(argc, argv);
 
-	mkdir(TDIR, 0600);
 	unlink(TFIL);
 	if (creat(TFIL, 0600) < 0) {
 		err("Can't make test file");