[TASK] Add unit tests for stdWrap_expandList()

Resolves: #70282
Releases: master
Change-Id: I4468bc758b25825f2e746792c4f27a7a67183a6b
Reviewed-on: http://review.typo3.org/43711


Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>