remove obsolete test file
minor #12027 remove obsolete test file (Tobion)

This PR was merged into the 2.3 branch.

Discussion
----------

remove obsolete test file

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

I don't think this file is used anymore.

Commits
-------

83f556f remove obsolete test file