Fix HTX exerciser test suite

Changes:
     - Ammend code to handle Redfish
     - Update OS info logic

Change-Id: Ice921a5e38da48853f5798b2e4805d03748f33c4
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/systest/htx_hardbootme_test.robot b/systest/htx_hardbootme_test.robot
index 18d82b4..9a65c53 100755
--- a/systest/htx_hardbootme_test.robot
+++ b/systest/htx_hardbootme_test.robot
@@ -231,8 +231,8 @@
     Printn
     Rprint Vars  bmc_version
 
-    ${pnor_version}=  Get Host Software Objects Details
-    Rprint Vars  pnor_version
+    ${fw_version}=  Get BMC Version
+    Rprint Vars  fw_version
 
     ${is_redfish}=  Run Keyword And Return Status  Redfish.Login
     ${rest_keyword}=  Set Variable If  ${is_redfish}  Redfish  REST
@@ -242,10 +242,11 @@
     Run Keyword  ${rest_keyword} Power On  stack_mode=skip
 
     Run Key U  Sleep \ 15s
-    Delete All Error Logs
+    Run Keyword And Ignore Error  Delete All Error Logs
+    Run Keyword And Ignore Error  Redfish Purge Event Log
     Tool Exist  htxcmdline
 
-    ${os_release_info}=  utils_os.Get OS Release Info
+    ${os_release_info}=  utils_os.Get OS Release Info  uname
     Rprint Vars  os_release_info  fmt=1
 
     # Shutdown if HTX is running.