tests: get.sh use simplier tr

diff --git a/test/lib/get.sh b/test/lib/get.sh
index 88144c10c5640a47d92cae8ce746a1ea1392031c..e7139dce949a6b532373325241727c42a702f12f 100644 (file)
--- a/test/lib/get.sh
+++ b/test/lib/get.sh
@@ -68,7 +68,7 @@ lv_devices() {
 }
 
 lv_field_lv_() {
-       lv_field "$1" "$2" -a --unbuffered | sed 's/\[//; s/]//'
+       lv_field "$1" "$2" -a --unbuffered | tr -d []
 }
 
 lv_tree_devices_() {