From: Lucas Nussbaum <lucas@debian.org>
Date: Mon, 26 Dec 2022 14:10:24 +0100
Subject: Let debian/ruby-tests.rb handle the test suite loading

Origin: vendor
Bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634438
Last-Update: 2017-07-07

Was causing FTBFS because ext was loaded.
---
 tests/test_helper.rb | 3 ---
 1 file changed, 3 deletions(-)

--- a/test/json/test_helper.rb
+++ b/test/json/test_helper.rb
@@ -1,5 +1,3 @@
-$LOAD_PATH.unshift(File.expand_path('../../../ext', __FILE__), File.expand_path('../../../lib', __FILE__))
-
 if ENV["JSON_COVERAGE"]
   # This test helper is loaded inside Ruby's own test suite, so we try to not mess it up.
   require 'coverage'