[TASK] Add dataproviders for 2 tests in DateViewHelperTest

Change-Id: Ifa79184384b08a666f8b39d2815ddce7fea788e5
Resolves: #45300
Releases: 6.1
Reviewed-on: https://review.typo3.org/18136
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring
Reviewed-by: Daniel Hürtgen
Tested-by: Daniel Hürtgen