tests: use "git foo" without dash in strings

This changes "git-foo" to "git foo" when message strings in tests
name git subcommands.

Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9124-git-svn-dcommit-auto-props.sh

@@ -16,12 +16,12 @@ enable-auto-props=$1
 EOF
 }
 
-test_expect_success 'initialize git-svn' '
+test_expect_success 'initialize git svn' '
 	mkdir import &&
 	(
 		cd import &&
 		echo foo >foo &&
-		svn import -m "import for git-svn" . "$svnrepo"
+		svn import -m "import for git svn" . "$svnrepo"
 	) &&
 	rm -rf import &&
 	git svn init "$svnrepo"