[TASK] Fix duplicated array keys in tests

In few tests dataproviders have duplicated array keys,
which results in some cases not being tested.
This patch removes duplicated entries and changes array
key names where needed.

Resolves: #57180
Releases: 6.2
Change-Id: I68ea38f89ed7f304b57165ca1d225ffdbe2a7a15
Reviewed-on: https://review.typo3.org/28641
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn