More double slash URL fixes

Fix SNMP test case library module.
Fix TCs that reference NETWORK_MANAGER.
Fix TCs that reference BMC_LOGGING_ENTRY.

Change-Id: I17070540062461ef2106e8e2aa7f43f835bf7fdd
Signed-off-by: Steven Sombar <ssombar@us.ibm.com>
diff --git a/gui/obmc_gui/test/server_config/test_obmc_gui_firmware_update.robot b/gui/obmc_gui/test/server_config/test_obmc_gui_firmware_update.robot
index 5a2de45..7b4dfb1 100644
--- a/gui/obmc_gui/test/server_config/test_obmc_gui_firmware_update.robot
+++ b/gui/obmc_gui/test/server_config/test_obmc_gui_firmware_update.robot
@@ -98,7 +98,7 @@
 Check No Error Log Exist
     [Documentation]  No error log should be logged.
 
-    ${resp}=  OpenBMC Get Request  ${BMC_LOGGING_ENTRY}/list  quiet=${1}
+    ${resp}=  OpenBMC Get Request  ${BMC_LOGGING_ENTRY}list  quiet=${1}
     Should Be Equal As Strings  ${resp.status_code}  ${HTTP_NOT_FOUND}
     ...  msg=Codeupdate Failed with error.