branch: update warning message shown when copying a misnamed branch

diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index f8568f8841d34d17f3d8fdae4d8d2404a6693c4d..46f15169f55c03742717f36f8d0e99241391b2ea 100755 (executable)
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -688,7 +688,7 @@ test_expect_success 'checking out a commit after submodule removal needs manual
        git submodule update &&
        git checkout -q HEAD^ &&
        git checkout -q master 2>actual &&
-       test_i18ngrep "^warning: unable to rmdir submod:" actual &&
+       test_i18ngrep "^warning: unable to rmdir '\''submod'\'':" actual &&
        git status -s submod >actual &&
        echo "?? submod/" >expected &&
        test_cmp expected actual &&
@@ -858,9 +858,8 @@ test_expect_success 'rm files with two different errors' '
        test_i18ncmp expect actual
 '
 
-test_expect_success 'rm empty string should invoke warning' '
-       git rm -rf "" 2>output &&
-       test_i18ngrep "warning: empty strings" output
+test_expect_success 'rm empty string should fail' '
+       test_must_fail git rm -rf ""
 '
 
 test_done