adding test for CVE/Cisco_XR rule

Author: imi

CVE/Cisco_XR/CVE-2023-44487.py

@@ -10,6 +10,6 @@ def rule_cve_2023_44487(configuration, commands, device):
     import re
     pattern = r"Version\s([0-9.]+)"
     match = re.search(pattern, str(commands.version))
-    s_version = match.group(1)
+    s_version = match.group(1) if match else '0.0.0'
     version = tuple(map(int, s_version.split('.')))
     assert version > (7, 11, 2)