[TASK] Add unit test to cover stdWrap_parseFunc

Releases: master
Resolves: #76767
Change-Id: I86e95a3a1797141b443b3d9da174083a7195219c
Reviewed-on: https://review.typo3.org/48668


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>