i18n: use test_i18ncmp and test_i18ngrep in t3203, t3501 and t3507

Signed-off-by: Junio C Hamano <[email protected]>

Author: gitster

t/t3203-branch-output.sh

@@ -72,10 +72,10 @@ cat >expect <<'EOF'
   branch-two
   master
 EOF
-test_expect_success C_LOCALE_OUTPUT 'git branch shows detached HEAD properly' '
+test_expect_success 'git branch shows detached HEAD properly' '
 	git checkout HEAD^0 &&
 	git branch >actual &&
-	test_cmp expect actual
+	test_i18ncmp expect actual
 '
 
 test_done

t/t3501-revert-cherry-pick.sh

@@ -91,12 +91,12 @@ test_expect_success 'cherry-pick on stat-dirty working tree' '
 	)
 '
 
-test_expect_success C_LOCALE_OUTPUT 'revert forbidden on dirty working tree' '
+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
 
 '
 

t/t3507-cherry-pick-conflict.sh

@@ -44,7 +44,7 @@ test_expect_success 'failed cherry-pick does not advance HEAD' '
 	test "$head" = "$newhead"
 '
 
-test_expect_success C_LOCALE_OUTPUT 'advice from failed cherry-pick' "
+test_expect_success 'advice from failed cherry-pick' "
 	pristine_detach initial &&
 
 	picked=\$(git rev-parse --short picked) &&
@@ -56,7 +56,7 @@ test_expect_success C_LOCALE_OUTPUT 'advice from failed cherry-pick' "
 	EOF
 	test_must_fail git cherry-pick picked 2>actual &&
 
-	test_cmp expected actual
+	test_i18ncmp expected actual
 "
 
 test_expect_success 'failed cherry-pick sets CHERRY_PICK_HEAD' '