Merge branch 'sp/test-i18ngrep' into maint-2.43

Error message fix in the test framework.

* sp/test-i18ngrep:
  test-lib-functions.sh: fix test_grep fail message wording

Author: gitster

t/test-lib-functions.sh

@@ -1277,7 +1277,7 @@ test_grep () {
 	if test $# -lt 2 ||
 	   { test "x!" = "x$1" && test $# -lt 3 ; }
 	then
-		BUG "too few parameters to test_i18ngrep"
+		BUG "too few parameters to test_grep"
 	fi
 
 	if test "x!" = "x$1"