fix: keep negative index in jmespath unchanged when converting pytest files

httprunner/compat.py

@@ -58,9 +58,11 @@ def _convert_jmespath(raw: Text) -> Text:
 
     raw_list = []
     for item in raw.split("."):
-        if "-" in item:
+        if "-" in item and "[-" not in item:
             # add quotes for field with separator
             # e.g. headers.Content-Type => headers."Content-Type"
+            # also need to avoid replacing negative index in jmespath
+            # e.g. body.users[-1] => body.users[-1], keep unchanged
             item = item.strip('"')
             raw_list.append(f'"{item}"')
         elif item.isdigit():