completion: refactor __gitcomp related tests

diff --git a/t/t3501-revert-cherry-pick.sh b/t/t3501-revert-cherry-pick.sh
index 043954422c82d9afbb318bcb7d1aa5685a391c85..34c86e5de69468fe7618383e556d1711cc49b0bb 100755 (executable)
--- a/t/t3501-revert-cherry-pick.sh
+++ b/t/t3501-revert-cherry-pick.sh
@@ -47,7 +47,7 @@ test_expect_success 'cherry-pick --nonsense' '
        git diff --exit-code HEAD &&
        test_must_fail git cherry-pick --nonsense 2>msg &&
        git diff --exit-code HEAD "$pos" &&
-       grep '[Uu]sage:' msg
+       test_i18ngrep '[Uu]sage:' msg
 '
 
 test_expect_success 'revert --nonsense' '
@@ -56,7 +56,7 @@ test_expect_success 'revert --nonsense' '
        git diff --exit-code HEAD &&
        test_must_fail git revert --nonsense 2>msg &&
        git diff --exit-code HEAD "$pos" &&
-       grep '[Uu]sage:' msg
+       test_i18ngrep '[Uu]sage:' msg
 '
 
 test_expect_success 'cherry-pick after renaming branch' '
@@ -96,7 +96,7 @@ test_expect_success 'revert forbidden on dirty working tree' '
        echo content >extra_file &&
        git add extra_file &&
        test_must_fail git revert HEAD 2>errors &&
-       grep "Your local changes would be overwritten by " errors
+       test_i18ngrep "Your local changes would be overwritten by " errors
 
 '