fix inventory integration test error Type Error PrettyOrderedList not serializable

Author: joek-office

tests/integration/targets/inventory-v3.6/compare_inventory_json.py

@@ -141,7 +141,7 @@ def main():
 
         if result:
             # Dictionary is not empty - print differences
-            print(json.dumps(result, sort_keys=True, indent=4))
+            print(json.dumps(list(result), sort_keys=True, indent=4))
             sys.exit(1)
         else:
             # Success, no differences

tests/integration/targets/inventory-v3.7/compare_inventory_json.py

@@ -141,7 +141,7 @@ def main():
 
         if result:
             # Dictionary is not empty - print differences
-            print(json.dumps(result, sort_keys=True, indent=4))
+            print(json.dumps(list(result), sort_keys=True, indent=4))
             sys.exit(1)
         else:
             # Success, no differences