"show authentication sessions" returns "Parser Output is empty" when "No sessions currently exist" cli output is returned from device.

src/genie/libs/parser/iosxe/show_authentication_sessions.py

@@ -82,6 +82,9 @@ def cli(self, interface=None, output=None):
         else:
             out = output
 
+        if "No sessions currently exist" in out:
+            return {"interfaces": {}, "session_count": 0}
+
         # initial return dictionary
         ret_dict = {}
 

src/genie/libs/parser/iosxe/tests/ShowAuthenticationSessions/cli/equal/golden_output_4_expected.py

@@ -0,0 +1,6 @@
+expected_output = {
+    "interfaces": {
+
+    },
+    "session_count": 0
+}

src/genie/libs/parser/iosxe/tests/ShowAuthenticationSessions/cli/equal/golden_output_4_output.txt

@@ -0,0 +1,2 @@
+show authentication sessions
+No sessions currently exist