[C++] CSV writer test failures

[asfimport]

I'm getting this on the latest git master:
https://gist.github.com/pitrou/8f2b85c76df4b153f61686ef76199a3a

Reporter: Antoine Pitrou / @pitrou
Assignee: Johan Peltenburg / @johanpel

PRs and other links:

• GitHub Pull Request #11908

_{Note: This issue was originally created as ARROW-15030. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
cc @johanpel

[asfimport]

Johan Peltenburg / @johanpel:
Although I/the CI can't seem to reproduce it, it must have something to do with the code that compares the expected status, since the tests where a not OK status all fail.
The code didn't make a lot of sense, I now realize, sorry about that.
Could you check if the PR solves it for you?

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 11908
#11908