git p4: verify expected refs in clone --bare test

Make sure that the standard branches are created as expected.

Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9800-git-p4-basic.sh

@@ -160,9 +160,12 @@ test_expect_success 'clone --bare should make a bare repository' '
 	test_when_finished cleanup_git &&
 	(
 		cd "$git" &&
-		test ! -d .git &&
-		bare=`git config --get core.bare` &&
-		test "$bare" = true
+		test_path_is_missing .git &&
+		git config --get --bool core.bare true &&
+		git rev-parse --verify refs/remotes/p4/master &&
+		git rev-parse --verify refs/remotes/p4/HEAD &&
+		git rev-parse --verify refs/heads/master &&
+		git rev-parse --verify HEAD
 	)
 '