Add mock-nunit-assembly and slow-nunit-tests to CF build
Merge pull request #375 from nunit/add-test-files-to-cf

Add mock-nunit-assembly and slow-nunit-tests to CF build
Use TempPath for All File and Directory Tests

Change all file and directory tests to use the temporary directory
(Path.GetTempPath) for all directories and files created or tested.
Also, make CF fixes to the tests where necessary.
Removed extra NL

Removed extra NL actually added to file
Merge pull request #381 from nunit/issue-293

Issue 293
Add AssemblyHelperTests and TestAssemblyRunnerTests to CF

Add the tests to the CF build.  Also, modify the underlying
AssemblyHelper and NUnitTestAssemblyRunner for CF.

Fixed BAD_DIRECTORY

Changed the tests to use the same bad directory for all builds