What type of bug is this?

Incorrect result

What subsystems are affected?

Other

Minimal reproduce step

In the current COPY TABLE FROM command sqlness test, there is no demo.json file, yet the SQL still successfully imports data into the table.

https://github.com/GreptimeTeam/greptimedb/blob/e7928aaeeeccba607d50f7c96da0b77d777c4d16/tests/cases/standalone/common/copy/copy_from_fs_csv.result#L45C1-L45C87

What did you expect to see?

The expected SQLness test result should be as follows:
Error: 1004(InvalidArguments), Path not found: ${SQLNESS_HOME}/demo/export/json/demo.json

What did you see instead?

Successfully imported data into the table from a non-existent JSON file.

What operating system did you use?

Mac OS X ARM

What version of GreptimeDB did you use?

v1.0.0-beta

Relevant log output and stack trace