FFDC collection for network test suite

Added:
    - New keyword and resource import for FFDC collection.

Change-Id: Ie8c288985de28c67cf6db2a5f1263557aa89fad7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/test_network.robot b/extended/test_network.robot
index 8f672a6..6c8be37 100644
--- a/extended/test_network.robot
+++ b/extended/test_network.robot
@@ -5,6 +5,7 @@
 Resource  ../lib/rest_client.robot
 Resource  ../lib/utils.robot
 Resource  ../lib/bmc_network_utils.robot
+Resource  ../lib/openbmc_ffdc.robot
 
 Force Tags  Network_Test
 
@@ -12,7 +13,7 @@
 Library  SSHLibrary
 
 Test Setup     Test Setup Execution
-Test Teardown  Close All Connections
+Test Teardown  Test Teardown Execution
 
 *** Variables ***
 
@@ -553,3 +554,9 @@
 
     Should Contain  ${sys_hostname}  ${hostname}
     ...  ignore_case=True  msg=Hostname does not exist.
+
+Test Teardown Execution
+    [Documentation]  Do the post test teardown.
+
+    FFDC On Test Case Fail
+    Close All Connections