Start a new query. Put in something that is correct syntax. E.g.
Run Query and the correct results are displayed.
Make it a syntax error. E.g.
Run Query and the correct error is displayed (and the previous results are not cleared).
Run Query again and the error is cleared* (but the previous results remain).
Run Query again and the error is displayed again.
Correct the query so that it should display new results. E.g.
Run Query and the previous error is cleared and the new results are displayed.
*The error cleared should be replaced by the new error. (Note you can change the query so that it should display a new error, e.g.
and if there was an error displayed from the last query, this query will still just clear the error and leave the previous results.)