git-p4: additional testing of --changes-block-size
git-p4: additional testing of --changes-block-size

Add additional tests of some corner-cases of the
--changes-block-size git-p4 parameter.

Also reduce the number of p4 changes created during the
tests, so that they complete faster.

Signed-off-by: Luke Diamand <6b3799be4300e44489a08090123f3842e6419da5@diamand.org>
Acked-by: Lex Spoon <d1f3732a9a6a6d5ae438388e1df2164bdb35d371@lexspoon.org>
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