ERR: Fix GH13139: better error message on invalid pd.eval and df.query input
- [x] closes #13139 
- [x] tests added / passed
- [x] passes `git diff upstream/master | flake8 --diff`
- [x] whatsnew entry

Added test case to check for invalid input(empy string) on pd.eval('') and df.query('').
Used existing helper function(_check_expression) 
