Revert "Update `csv` library tests for the changes to default header parameter"
Revert "Update `csv` library tests for the changes to default header parameter"

This reverts commit da04911c9572a7422c0afaaec2ddbc861c9fe1c0.

LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3