Fix tests

git-svn-id: http://h2database.googlecode.com/svn/trunk@5485 e6896862-9d19-0410-bfb3-e9fa5d50e656
Close file when locking fails

git-svn-id: http://h2database.googlecode.com/svn/trunk@5486 e6896862-9d19-0410-bfb3-e9fa5d50e656
Enable tests

git-svn-id: http://h2database.googlecode.com/svn/trunk@5487 e6896862-9d19-0410-bfb3-e9fa5d50e656
Disable tests that don't apply to the MVStore

git-svn-id: http://h2database.googlecode.com/svn/trunk@5488 e6896862-9d19-0410-bfb3-e9fa5d50e656