Skip a few failing tests on JRuby with the attached tickets

actionpack/test/controller/parameters/mutators_test.rb

@@ -62,11 +62,15 @@ class ParametersMutatorsTest < ActiveSupport::TestCase
   end
 
   test "select! retains permitted status" do
+    jruby_skip "https://github.com/jruby/jruby/issues/3137"
+
     @params.permit!
     assert @params.select! { |k| k != "person" }.permitted?
   end
 
   test "select! retains unpermitted status" do
+    jruby_skip "https://github.com/jruby/jruby/issues/3137"
+
     assert_not @params.select! { |k| k != "person" }.permitted?
   end
 

actionpack/test/dispatch/response_test.rb

@@ -171,6 +171,8 @@ class ResponseTest < ActiveSupport::TestCase
   end
 
   test "read content type without charset" do
+    jruby_skip "https://github.com/jruby/jruby/issues/3138"
+
     original = ActionDispatch::Response.default_charset
     begin
       ActionDispatch::Response.default_charset = 'utf-16'

actionpack/test/dispatch/routing/concerns_test.rb

@@ -109,6 +109,8 @@ class RoutingConcernsTest < ActionDispatch::IntegrationTest
   end
 
   def test_concerns_executes_block_in_context_of_current_mapper
+    jruby_skip "https://github.com/jruby/jruby/issues/3143"
+
     mapper = ActionDispatch::Routing::Mapper.new(ActionDispatch::Routing::RouteSet.new)
     mapper.concern :test_concern do
       resources :things