[KMTESTS/FSRTL]
- Add all runs dumping to aid in development.
- Do not try to add a mapping run with 0 LBN. Zero and negative LBNs are forbidden.
- Rework other tests to work as expected (plumb a hole).

git-svn-id: svn://svn.reactos.org/reactos/trunk@59347 97493ccd-5924-5043-b1f5-66cb403b36ce
[NTOS/FSRTL]
- Implement FsRtlSplitLargeMcb. 168 tests executed / 59 failures.

git-svn-id: svn://svn.reactos.org/reactos/trunk@59348 97493ccd-5924-5043-b1f5-66cb403b36ce