Issue #3158276 by Hardik_Patel_12, kiamlaluno, paulocs: Remove local unused...
Issue #3158276 by Hardik_Patel_12, kiamlaluno, paulocs: Remove local unused variables from RequestFormatRouteFilterTest.php file
(cherry picked from commit 87713ec20ee7e000687fd890f00781a8145aa2f9)
9 merge requests!1445Issue #2920039: Views' User Name exposed group filter validation,!1298Issue #3240993: Let layout builder render inline block translations,!774Issue #3174569: Example node template file name is incorrect,!497Issue #2463967: Use .user.ini file for PHP settings,!433Resolve #3163663 "Too many open files",!233Resolve #2693787 "Taxonomy term name",!133Resolve #2666286 "Clean up menuui",!112Resolve #3187004 "Drupaldatetime serialization issue",!53Resolve #3181870: Correct typo "the the" in "core/classList" deprecation message.
