Replace resource.txt with resource.robot

Change-Id: I4d2afd35645880e33a31644cd717bbeae55666f0
Signed-off-by: Sandhya Somashekar <sansomas@in.ibm.com>
diff --git a/systest/test_bmc_poll_errors.robot b/systest/test_bmc_poll_errors.robot
index ce5c0a2..6b999e1 100755
--- a/systest/test_bmc_poll_errors.robot
+++ b/systest/test_bmc_poll_errors.robot
@@ -3,7 +3,7 @@
 
 Resource          ../lib/rest_client.robot
 Resource          ../lib/openbmc_ffdc.robot
-Resource          ../lib/resource.txt
+Resource          ../lib/resource.robot
 Resource          ../lib/boot_utils.robot
 
 Suite Setup      Suite Setup Execution