--- a/test/failure_handler/src/share/conf/mac.properties	Tue May 15 02:47:40 2018 +0530
+++ b/test/failure_handler/src/share/conf/mac.properties	Tue May 15 14:39:11 2018 +0800
@@ -76,6 +76,7 @@
   system.dmesg system.sysctl \
   process.ps process.top \
   memory.vmstat \
+  files \
   netstat.av netstat.aL netstat.m netstat.s \
   ifconfig \
   scutil.nwi scutil.proxy
@@ -104,6 +105,8 @@
 memory.vmstat.app=vm_stat
 memory.vmstat.args=-c 3 3
 
+files.app=lsof
+
 netstat.app=netstat
 netstat.av.args=-av
 netstat.aL.args=-aL