Remove unused require

y-yagi · y-yagi · commit aec2b8b363dc · 2017-11-10T15:37:31.000+09:00
This is no longer used since fd6aaaa.
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb
@@ -11,7 +11,6 @@
 require "active_support/testing/constant_lookup"
 require "active_support/testing/time_helpers"
 require "active_support/testing/file_fixtures"
-require "active_support/core_ext/kernel/reporting"
 
 module ActiveSupport
   class TestCase < ::Minitest::Test
