FAL introduced first functional tests in a new tests/Functional directory.
Therefore all unit tests are now moved to tests/Unit.

Change-Id: Ied463e171b2dcaecf66cc9f6411de47b95b5bee7
Resolves: #36864
Releases: 6.0
Reviewed-on: http://review.typo3.org/11015
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn