veyron/services/mounttable/mounttabled: Fix test.sh

Change-Id: I48bd13b6017a06ba921f67b60d91362afbee08a5
diff --git a/services/mounttable/mounttabled/test.sh b/services/mounttable/mounttabled/test.sh
index 560abcd..860ba08 100755
--- a/services/mounttable/mounttabled/test.sh
+++ b/services/mounttable/mounttabled/test.sh
@@ -45,7 +45,7 @@
   ./mounttable mount "${EP}/google" /www.google.com:80 5m > /dev/null || shell_test::fail "line ${LINENO}: failed to mount www.google.com"
 
   # <mounttable>.Glob('*')
-  local GOT=$(./mounttable glob "${EP}" '*' | sed 's/TTL .m..s/TTL XmXXs/' | sort)
+  local GOT=$(./mounttable glob "${EP}" '*' | sed -r 's/TTL (.m)?..s/TTL XmXXs/' | sort)
   local WANT="[${EP}]
 google /www.google.com:80 (TTL XmXXs)
 myself ${EP} (TTL XmXXs)