test459: fix for parallel runs

- change warniing message to work better with varying filename
length.
- adapt test output check to new formatting

Follow-up to 97ccc4479f77

test459: fix for parallel runs

- change warniing message to work better with varying filename
length.
- adapt test output check to new formatting

Follow-up to 97ccc4479f77ba3191c6
Closes #12423

show more ...

tool_parsecfg: make warning output propose double-quoting

When the config file parser detects a word that *probably* should be
quoted, mention double-quotes as a possible remedy.

tool_parsecfg: make warning output propose double-quoting

When the config file parser detects a word that *probably* should be
quoted, mention double-quotes as a possible remedy.

Test 459 verifies.

Proposed-by: Jiehong on github
Fixes #12409
Closes #12412

show more ...