Add some tests for git update-ref -d
Add some tests for git update-ref -d

Signed-off-by: Karl Hasselström <7985ada83f2f009c597f77bfcbafe8daa9e79c7d@treskal.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git