test-lib: allow negation of prerequisites

diff --git a/t/t8005-blame-i18n.sh b/t/t8005-blame-i18n.sh
index 9c1e21a60be83322c67c7586a86d2410b472be7b..cb390559f947fe3cd89a99b9bd473d60c7083307 100755 (executable)
--- a/t/t8005-blame-i18n.sh
+++ b/t/t8005-blame-i18n.sh
@@ -20,7 +20,7 @@ test_expect_success 'setup the repository' '
 
        echo "SJIS LINE" >> file &&
        git add file &&
-       git config i18n.commitencoding shift-jis &&
+       git config i18n.commitencoding SJIS &&
        git commit --author "$SJIS_NAME <sjis@localhost>" -m "$SJIS_MSG"
 '
 
@@ -67,8 +67,8 @@ summary $UTF8_MSG
 EOF
 
 test_expect_success \
-       'blame respects --encoding=utf-8' '
-       git blame --incremental --encoding=utf-8 file | \
+       'blame respects --encoding=UTF-8' '
+       git blame --incremental --encoding=UTF-8 file | \
                egrep "^(author|summary) " > actual &&
        test_cmp actual expected
 '