Replace resource.txt with resource.robot

Change-Id: I4d2afd35645880e33a31644cd717bbeae55666f0
Signed-off-by: Sandhya Somashekar <sansomas@in.ibm.com>
diff --git a/network/test_cable_pull_recover.robot b/network/test_cable_pull_recover.robot
index 5a39eb2..a039f64 100644
--- a/network/test_cable_pull_recover.robot
+++ b/network/test_cable_pull_recover.robot
@@ -16,7 +16,7 @@
 #                     "enP5s1f0", "eth0").
 
 Library         ../lib/bmc_ssh_utils.py
-Resource        ../lib/resource.txt
+Resource        ../lib/resource.robot
 Resource        ../syslib/utils_os.robot
 
 Suite Setup     Test Setup Execution