Replace resource.txt with resource.robot

Change-Id: I4d2afd35645880e33a31644cd717bbeae55666f0
Signed-off-by: Sandhya Somashekar <sansomas@in.ibm.com>
diff --git a/systest/test_io_eeh.robot b/systest/test_io_eeh.robot
index 03f9d5b..b5a18f7 100644
--- a/systest/test_io_eeh.robot
+++ b/systest/test_io_eeh.robot
@@ -60,7 +60,7 @@
 Library         SSHLibrary
 Library         String
 Library         ../lib/bmc_ssh_utils.py
-Resource        ../lib/resource.txt
+Resource        ../lib/resource.robot
 Resource        ../syslib/utils_os.robot
 
 Suite Setup     Suite Setup Execution