t9129: skip the last three tests if UTF-8 locale is not available

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9129-git-svn-i18n-commitencoding.sh

@@ -60,6 +60,7 @@ do
 	'
 done
 
+if locale -a |grep -q en_US.utf8; then
 	test_expect_success 'ISO-8859-1 should match UTF-8 in svn' '
 	(
 		cd ISO-8859-1 &&
@@ -76,5 +77,8 @@ do
 		)
 		'
 	done
+else
+	say "UTF-8 locale not available, test skipped"
+fi
 
 test_done