tests: teach callers of test_i18ngrep to use test_grep

They are equivalents and the former still exists, so as long as the
only change this commit makes are to rewrite test_i18ngrep to
test_grep, there won't be any new bug, even if there still are
callers of test_i18ngrep remaining in the tree, or when merged to
other topics that add new uses of test_i18ngrep.

This patch was produced more or less with

    git grep -l -e 'test_i18ngrep ' 't/t[0-9][0-9][0-9][0-9]-*.sh' |
    xargs perl -p -i -e 's/test_i18ngrep /test_grep /'

and a good way to sanity check the result yourself is to run the
above in a checkout of c4603c1c (test framework: further deprecate
test_i18ngrep, 2023-10-31) and compare the resulting working tree
contents with the result of applying this patch to the same commit.
You'll see that test_i18ngrep in a few t/lib-*.sh files corrected,
in addition to the manual reproduction.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/t/t6436-merge-overwrite.sh b/t/t6436-merge-overwrite.sh
index c0b7bd7c3f..4f4376421e 100755
--- a/t/t6436-merge-overwrite.sh
+++ b/t/t6436-merge-overwrite.sh
@@ -104,12 +104,12 @@ test_expect_success 'will not overwrite unstaged changes in renamed file' '
 	if test "$GIT_TEST_MERGE_ALGORITHM" = ort
 	then
 		test_must_fail git merge c1a >out 2>err &&
-		test_i18ngrep "would be overwritten by merge" err &&
+		test_grep "would be overwritten by merge" err &&
 		test_cmp important other.c &&
 		test_path_is_missing .git/MERGE_HEAD
 	else
 		test_must_fail git merge c1a >out &&
-		test_i18ngrep "Refusing to lose dirty file at other.c" out &&
+		test_grep "Refusing to lose dirty file at other.c" out &&
 		test_path_is_file other.c~HEAD &&
 		test $(git hash-object other.c~HEAD) = $(git rev-parse c1a:c1.c) &&
 		test_cmp important other.c