Mention ruleid: can contain many comma separated rules in --test https://semgrep.dev/docs/writing-rules/testing-rules/

[LewisArdern]

https://semgrep.slack.com/archives/CK86BJ5DW/p1674228062395879

# ruleid: one, two, three, four, five

[fopina]

As it cannot be shared via playground, example: https://github.com/fopina/delme/tree/main/semgrep_test_n_rules_same_line

[pabloest]

Thanks for opening this issue, @LewisArdern and @fopina.