diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index ce5ecb9be7d1a9d44c0dd7e875051791d11a6693..1a61139dfe31459492af60309b84e93b0baa1ae4 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -41,6 +41,8 @@ class << self
     def env
       @_env ||= ActiveSupport::StringInquirer.new(ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "test")
     end
+
+    def root; end;
   end
 end
 
@@ -407,7 +409,7 @@ def jruby_skip(message = '')
 end
 
 require 'mocha/setup' # FIXME: stop using mocha
-require 'minitest/mock'
+require 'active_support/testing/method_call_assertions'
 
 class ForkingExecutor
   class Server
@@ -479,3 +481,7 @@ def translate_exceptions(result)
   # Use N processes (N defaults to 4)
   Minitest.parallel_executor = ForkingExecutor.new(PROCESS_COUNT)
 end
+
+class ActiveSupport::TestCase
+  include ActiveSupport::Testing::MethodCallAssertions
+end
diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index dc4c32b07e080d61b559c5e20cb2129ae3609a04..de7e800ac107890b87bd230bd06d50b94e6eb36a 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -26,289 +26,335 @@ def test_host!
   end
 
   def test_follow_redirect_raises_when_no_redirect
-    @session.stubs(:redirect?).returns(false)
-    assert_raise(RuntimeError) { @session.follow_redirect! }
+    @session.stub :redirect?, false do
+      assert_raise(RuntimeError) { @session.follow_redirect! }
+    end
   end
 
   def test_request_via_redirect_uses_given_method
     path = "/somepath"; args = {:id => '1'}; headers = {"X-Test-Header" => "testvalue"}
-    @session.expects(:process).with(:put, path, params: args, headers: headers)
-    @session.stubs(:redirect?).returns(false)
-    @session.request_via_redirect(:put, path, params: args, headers: headers)
+    assert_called_with @session, :process, [:put, path, params: args, headers: headers] do
+      @session.stub :redirect?, false do
+        @session.request_via_redirect(:put, path, params: args, headers: headers)
+      end
+    end
   end
 
   def test_deprecated_request_via_redirect_uses_given_method
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:process).with(:put, path, params: args, headers: headers)
-    @session.stubs(:redirect?).returns(false)
-    assert_deprecated { @session.request_via_redirect(:put, path, args, headers) }
+    assert_called_with @session, :process, [:put, path, params: args, headers: headers] do
+      @session.stub :redirect?, false do
+        assert_deprecated { @session.request_via_redirect(:put, path, args, headers) }
+      end
+    end
   end
 
   def test_request_via_redirect_follows_redirects
     path = "/somepath"; args = {:id => '1'}; headers = {"X-Test-Header" => "testvalue"}
-    @session.stubs(:redirect?).returns(true, true, false)
-    @session.expects(:follow_redirect!).times(2)
-    @session.request_via_redirect(:get, path, params: args, headers: headers)
+    value_series = [true, true, false]
+    assert_called @session, :follow_redirect!, times: 2 do
+      @session.stub :redirect?, ->{ value_series.shift } do
+        @session.request_via_redirect(:get, path, params: args, headers: headers)
+      end
+    end
   end
 
   def test_request_via_redirect_returns_status
     path = "/somepath"; args = {:id => '1'}; headers = {"X-Test-Header" => "testvalue"}
-    @session.stubs(:redirect?).returns(false)
-    @session.stubs(:status).returns(200)
-    assert_equal 200, @session.request_via_redirect(:get, path, params: args, headers: headers)
+    @session.stub :redirect?, false do
+      @session.stub :status, 200 do
+        assert_equal 200, @session.request_via_redirect(:get, path, params: args, headers: headers)
+      end
+    end
   end
 
   def test_deprecated_get_via_redirect
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:request_via_redirect).with(:get, path, args, headers)
 
-    assert_deprecated do
-      @session.get_via_redirect(path, args, headers)
+    assert_called_with @session, :request_via_redirect, [:get, path, args, headers] do
+      assert_deprecated do
+        @session.get_via_redirect(path, args, headers)
+      end
     end
   end
 
   def test_deprecated_post_via_redirect
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:request_via_redirect).with(:post, path, args, headers)
 
-    assert_deprecated do
-      @session.post_via_redirect(path, args, headers)
+    assert_called_with @session, :request_via_redirect, [:post, path, args, headers] do
+      assert_deprecated do
+        @session.post_via_redirect(path, args, headers)
+      end
     end
   end
 
   def test_deprecated_patch_via_redirect
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:request_via_redirect).with(:patch, path, args, headers)
 
-    assert_deprecated do
-      @session.patch_via_redirect(path, args, headers)
+    assert_called_with @session, :request_via_redirect, [:patch, path, args, headers] do
+      assert_deprecated do
+        @session.patch_via_redirect(path, args, headers)
+      end
     end
   end
 
   def test_deprecated_put_via_redirect
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:request_via_redirect).with(:put, path, args, headers)
 
-    assert_deprecated do
-      @session.put_via_redirect(path, args, headers)
+    assert_called_with @session, :request_via_redirect, [:put, path, args, headers] do
+      assert_deprecated do
+        @session.put_via_redirect(path, args, headers)
+      end
     end
   end
 
   def test_deprecated_delete_via_redirect
     path = "/somepath"; args = { id: '1' }; headers = { "X-Test-Header" => "testvalue" }
-    @session.expects(:request_via_redirect).with(:delete, path, args, headers)
 
-    assert_deprecated do
-      @session.delete_via_redirect(path, args, headers)
+    assert_called_with @session, :request_via_redirect, [:delete, path, args, headers] do
+      assert_deprecated do
+        @session.delete_via_redirect(path, args, headers)
+      end
     end
   end
 
   def test_get
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers)
-    @session.get(path, params: params, headers: headers)
+
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers] do
+      @session.get(path, params: params, headers: headers)
+    end
   end
 
   def test_get_with_env_and_headers
     path = "/index"; params = "blah"; headers = { location: 'blah' }; env = { 'HTTP_X_REQUESTED_WITH' => 'XMLHttpRequest' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers, env: env)
-    @session.get(path, params: params, headers: headers, env: env)
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers, env: env] do
+      @session.get(path, params: params, headers: headers, env: env)
+    end
   end
 
   def test_deprecated_get
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.get(path, params, headers)
-    }
+
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.get(path, params, headers)
+      }
+    end
   end
 
   def test_post
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:post, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.post(path, params, headers)
-    }
+    assert_called_with @session, :process, [:post, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.post(path, params, headers)
+      }
+    end
   end
 
   def test_deprecated_post
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:post, path, params: params, headers: headers)
-    @session.post(path, params: params, headers: headers)
+    assert_called_with @session, :process, [:post, path, params: params, headers: headers] do
+      @session.post(path, params: params, headers: headers)
+    end
   end
 
   def test_patch
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:patch, path, params: params, headers: headers)
-    @session.patch(path, params: params, headers: headers)
+    assert_called_with @session, :process, [:patch, path, params: params, headers: headers] do
+      @session.patch(path, params: params, headers: headers)
+    end
   end
 
   def test_deprecated_patch
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:patch, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.patch(path, params, headers)
-    }
+    assert_called_with @session, :process, [:patch, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.patch(path, params, headers)
+      }
+    end
   end
 
   def test_put
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:put, path, params: params, headers: headers)
-    @session.put(path, params: params, headers: headers)
+    assert_called_with @session, :process, [:put, path, params: params, headers: headers] do
+      @session.put(path, params: params, headers: headers)
+    end
   end
 
   def test_deprecated_put
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:put, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.put(path, params, headers)
-    }
+    assert_called_with @session, :process, [:put, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.put(path, params, headers)
+      }
+    end
   end
 
   def test_delete
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:delete, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.delete(path,params,headers)
-    }
+    assert_called_with @session, :process, [:delete, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.delete(path,params,headers)
+      }
+    end
   end
 
   def test_deprecated_delete
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:delete, path, params: params, headers: headers)
-    @session.delete(path, params: params, headers: headers)
+    assert_called_with @session, :process, [:delete, path, params: params, headers: headers] do
+      @session.delete(path, params: params, headers: headers)
+    end
   end
 
   def test_head
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:head, path, params: params, headers: headers)
-    @session.head(path, params: params, headers: headers)
+    assert_called_with @session, :process, [:head, path, params: params, headers: headers] do
+      @session.head(path, params: params, headers: headers)
+    end
   end
 
   def deprecated_test_head
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:head, path, params: params, headers: headers)
-    assert_deprecated {
-      @session.head(path, params, headers)
-    }
+    assert_called_with @session, :process, [:head, path, params: params, headers: headers] do
+      assert_deprecated {
+        @session.head(path, params, headers)
+      }
+    end
   end
 
   def test_xml_http_request_get
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers, xhr: true)
-    @session.get(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers, xhr: true] do
+      @session.get(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_get
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers, xhr: true)
-    @session.get(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers, xhr: true] do
+      @session.get(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_args_xml_http_request_get
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:get, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) {
-      @session.xml_http_request(:get, path, params, headers)
-    }
+    assert_called_with @session, :process, [:get, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) {
+        @session.xml_http_request(:get, path, params, headers)
+      }
+    end
   end
 
   def test_xml_http_request_post
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:post, path, params: params, headers: headers, xhr: true)
-    @session.post(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:post, path, params: params, headers: headers, xhr: true] do
+      @session.post(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_post
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:post, path, params: params, headers: headers, xhr: true)
-    @session.post(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:post, path, params: params, headers: headers, xhr: true] do
+      @session.post(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_args_xml_http_request_post
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:post, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) { @session.xml_http_request(:post,path,params,headers) }
+    assert_called_with @session, :process, [:post, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) { @session.xml_http_request(:post,path,params,headers) }
+    end
   end
 
   def test_xml_http_request_patch
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:patch, path, params: params, headers: headers, xhr: true)
-    @session.patch(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:patch, path, params: params, headers: headers, xhr: true] do
+      @session.patch(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_patch
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:patch, path, params: params, headers: headers, xhr: true)
-    @session.patch(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:patch, path, params: params, headers: headers, xhr: true] do
+      @session.patch(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_args_xml_http_request_patch
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:patch, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) { @session.xml_http_request(:patch,path,params,headers) }
+    assert_called_with @session, :process, [:patch, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) { @session.xml_http_request(:patch,path,params,headers) }
+    end
   end
 
   def test_xml_http_request_put
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:put, path, params: params, headers: headers, xhr: true)
-    @session.put(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:put, path, params: params, headers: headers, xhr: true] do
+      @session.put(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_put
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:put, path, params: params, headers: headers, xhr: true)
-    @session.put(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:put, path, params: params, headers: headers, xhr: true] do
+      @session.put(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_args_xml_http_request_put
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:put, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) { @session.xml_http_request(:put, path, params, headers) }
+    assert_called_with @session, :process, [:put, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) { @session.xml_http_request(:put, path, params, headers) }
+    end
   end
 
   def test_xml_http_request_delete
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:delete, path, params: params, headers: headers, xhr: true)
-    @session.delete(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:delete, path, params: params, headers: headers, xhr: true] do
+      @session.delete(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_delete
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:delete, path, params: params, headers: headers, xhr: true)
-    assert_deprecated { @session.xml_http_request(:delete, path, params: params, headers: headers) }
+    assert_called_with @session, :process, [:delete, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated { @session.xml_http_request(:delete, path, params: params, headers: headers) }
+    end
   end
 
   def test_deprecated_args_xml_http_request_delete
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:delete, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) { @session.xml_http_request(:delete, path, params, headers) }
+    assert_called_with @session, :process, [:delete, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) { @session.xml_http_request(:delete, path, params, headers) }
+    end
   end
 
   def test_xml_http_request_head
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:head, path, params: params, headers: headers, xhr: true)
-    @session.head(path, params: params, headers: headers, xhr: true)
+    assert_called_with @session, :process, [:head, path, params: params, headers: headers, xhr: true] do
+      @session.head(path, params: params, headers: headers, xhr: true)
+    end
   end
 
   def test_deprecated_xml_http_request_head
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:head, path, params: params, headers: headers, xhr: true)
-    assert_deprecated(/xml_http_request/) { @session.xml_http_request(:head, path, params: params, headers: headers) }
+    assert_called_with @session, :process, [:head, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated(/xml_http_request/) { @session.xml_http_request(:head, path, params: params, headers: headers) }
+    end
   end
 
   def test_deprecated_args_xml_http_request_head
     path = "/index"; params = "blah"; headers = { location: 'blah' }
-    @session.expects(:process).with(:head, path, params: params, headers: headers, xhr: true)
-    assert_deprecated { @session.xml_http_request(:head, path, params, headers) }
+    assert_called_with @session, :process, [:head, path, params: params, headers: headers, xhr: true] do
+      assert_deprecated { @session.xml_http_request(:head, path, params, headers) }
+    end
   end
 end
 
 class IntegrationTestTest < ActiveSupport::TestCase
   def setup
     @test = ::ActionDispatch::IntegrationTest.new(:app)
-    @test.class.stubs(:fixture_table_names).returns([])
-    @session = @test.open_session
   end
 
   def test_opens_new_session
@@ -340,14 +386,8 @@ def method_missing(name, *args)
 # Tests that integration tests don't call Controller test methods for processing.
 # Integration tests have their own setup and teardown.
 class IntegrationTestUsesCorrectClass < ActionDispatch::IntegrationTest
-  def self.fixture_table_names
-    []
-  end
-
   def test_integration_methods_called
     reset!
-    @integration_session.stubs(:generic_url_rewriter)
-    @integration_session.stubs(:process)
 
     %w( get post head patch put delete ).each do |verb|
       assert_nothing_raised("'#{verb}' should use integration test methods") { __send__(verb, '/') }
diff --git a/actionpack/test/controller/request_forgery_protection_test.rb b/actionpack/test/controller/request_forgery_protection_test.rb
index f3b0ecac108cf043be6ea1f6e112b3cba300c0fd..90fd8669c221dd52e036fc70f2c5559b5c515dd7 100644
--- a/actionpack/test/controller/request_forgery_protection_test.rb
+++ b/actionpack/test/controller/request_forgery_protection_test.rb
@@ -131,9 +131,7 @@ def form_authenticity_param
 # common test methods
 module RequestForgeryProtectionTests
   def setup
-    @token      = "cf50faa3fe97702ca1ae"
-    @controller.stubs(:valid_authenticity_token?).with{ |_, t| t == @token }.returns(true)
-    @controller.stubs(:valid_authenticity_token?).with{ |_, t| t != @token }.returns(false)
+    @token = Base64.strict_encode64('railstestrailstestrailstestrails')
     @old_request_forgery_protection_token = ActionController::Base.request_forgery_protection_token
     ActionController::Base.request_forgery_protection_token = :custom_authenticity_token
   end
@@ -255,37 +253,53 @@ def test_should_not_allow_xhr_post_without_token
   end
 
   def test_should_allow_post_with_token
-    assert_not_blocked { post :index, params: { custom_authenticity_token: @token } }
+    session[:_csrf_token] = @token
+    @controller.stub :form_authenticity_token, @token do
+      assert_not_blocked { post :index, params: { custom_authenticity_token: @token } }
+    end
   end
 
   def test_should_allow_patch_with_token
-    assert_not_blocked { patch :index, params: { custom_authenticity_token: @token } }
+    session[:_csrf_token] = @token
+    @controller.stub :form_authenticity_token, @token do
+      assert_not_blocked { patch :index, params: { custom_authenticity_token: @token } }
+    end
   end
 
   def test_should_allow_put_with_token
-    assert_not_blocked { put :index, params: { custom_authenticity_token: @token } }
+    session[:_csrf_token] = @token
+    @controller.stub :form_authenticity_token, @token do
+      assert_not_blocked { put :index, params: { custom_authenticity_token: @token } }
+    end
   end
 
   def test_should_allow_delete_with_token
-    assert_not_blocked { delete :index, params: { custom_authenticity_token: @token } }
+    session[:_csrf_token] = @token
+    @controller.stub :form_authenticity_token, @token do
+      assert_not_blocked { delete :index, params: { custom_authenticity_token: @token } }
+    end
   end
 
   def test_should_allow_post_with_token_in_header
+    session[:_csrf_token] = @token
     @request.env['HTTP_X_CSRF_TOKEN'] = @token
     assert_not_blocked { post :index }
   end
 
   def test_should_allow_delete_with_token_in_header
+    session[:_csrf_token] = @token
     @request.env['HTTP_X_CSRF_TOKEN'] = @token
     assert_not_blocked { delete :index }
   end
 
   def test_should_allow_patch_with_token_in_header
+    session[:_csrf_token] = @token
     @request.env['HTTP_X_CSRF_TOKEN'] = @token
     assert_not_blocked { patch :index }
   end
 
   def test_should_allow_put_with_token_in_header
+    session[:_csrf_token] = @token
     @request.env['HTTP_X_CSRF_TOKEN'] = @token
     assert_not_blocked { put :index }
   end
@@ -339,6 +353,7 @@ def test_should_only_allow_same_origin_js_get_with_xhr_header
 
   # Allow non-GET requests since GET is all a remote <script> tag can muster.
   def test_should_allow_non_get_js_without_xhr_header
+    session[:_csrf_token] = @token
     assert_cross_origin_not_blocked { post :same_origin_js, params: { custom_authenticity_token: @token } }
     assert_cross_origin_not_blocked { post :same_origin_js, params: { format: 'js', custom_authenticity_token: @token } }
     assert_cross_origin_not_blocked do
@@ -412,7 +427,8 @@ class RequestForgeryProtectionControllerUsingResetSessionTest < ActionController
       get :meta
       assert_select 'meta[name=?][content=?]', 'csrf-param', 'custom_authenticity_token'
       assert_select 'meta[name=?]', 'csrf-token'
-      assert_match(/cf50faa3fe97702ca1ae&lt;=\?/, @response.body)
+      regexp = "#{@token}&lt;=\?"
+      assert_match(/#{regexp}/, @response.body)
     end
   end
 end
diff --git a/actionpack/test/dispatch/debug_exceptions_test.rb b/actionpack/test/dispatch/debug_exceptions_test.rb
index a867aee7ec134ab9a84d782230e7306349dab88d..f9f379780c939fb78d2337955183e7e2a9cf1a82 100644
--- a/actionpack/test/dispatch/debug_exceptions_test.rb
+++ b/actionpack/test/dispatch/debug_exceptions_test.rb
@@ -71,14 +71,6 @@ def call(env)
     end
   end
 
-  def setup
-    app = ActiveSupport::OrderedOptions.new
-    app.config = ActiveSupport::OrderedOptions.new
-    app.config.assets = ActiveSupport::OrderedOptions.new
-    app.config.assets.prefix = '/sprockets'
-    Rails.stubs(:application).returns(app)
-  end
-
   RoutesApp = Struct.new(:routes).new(SharedTestRoutes)
   ProductionApp  = ActionDispatch::DebugExceptions.new(Boomer.new(false), RoutesApp)
   DevelopmentApp = ActionDispatch::DebugExceptions.new(Boomer.new(true), RoutesApp)
@@ -338,36 +330,37 @@ def setup
 
   test 'debug exceptions app shows user code that caused the error in source view' do
     @app = DevelopmentApp
-    Rails.stubs(:root).returns(Pathname.new('.'))
-    cleaner = ActiveSupport::BacktraceCleaner.new.tap do |bc|
-      bc.add_silencer { |line| line =~ /method_that_raises/ }
-      bc.add_silencer { |line| line !~ %r{test/dispatch/debug_exceptions_test.rb} }
-    end
+    Rails.stub :root, Pathname.new('.') do
+      cleaner = ActiveSupport::BacktraceCleaner.new.tap do |bc|
+        bc.add_silencer { |line| line =~ /method_that_raises/ }
+        bc.add_silencer { |line| line !~ %r{test/dispatch/debug_exceptions_test.rb} }
+      end
 
-    get '/framework_raises', headers: { 'action_dispatch.backtrace_cleaner' => cleaner }
+      get '/framework_raises', headers: { 'action_dispatch.backtrace_cleaner' => cleaner }
 
-    # Assert correct error
-    assert_response 500
-    assert_select 'h2', /error in framework/
+      # Assert correct error
+      assert_response 500
+      assert_select 'h2', /error in framework/
 
-    # assert source view line is the call to method_that_raises
-    assert_select 'div.source:not(.hidden)' do
-      assert_select 'pre .line.active', /method_that_raises/
-    end
+      # assert source view line is the call to method_that_raises
+      assert_select 'div.source:not(.hidden)' do
+        assert_select 'pre .line.active', /method_that_raises/
+      end
 
-    # assert first source view (hidden) that throws the error
-    assert_select 'div.source:first' do
-      assert_select 'pre .line.active', /raise StandardError\.new/
-    end
+      # assert first source view (hidden) that throws the error
+      assert_select 'div.source:first' do
+        assert_select 'pre .line.active', /raise StandardError\.new/
+      end
 
-    # assert application trace refers to line that calls method_that_raises is first
-    assert_select '#Application-Trace' do
-      assert_select 'pre code a:first', %r{test/dispatch/debug_exceptions_test\.rb:\d+:in `call}
-    end
+      # assert application trace refers to line that calls method_that_raises is first
+      assert_select '#Application-Trace' do
+        assert_select 'pre code a:first', %r{test/dispatch/debug_exceptions_test\.rb:\d+:in `call}
+      end
 
-    # assert framework trace that that threw the error is first
-    assert_select '#Framework-Trace' do
-      assert_select 'pre code a:first', /method_that_raises/
+      # assert framework trace that that threw the error is first
+      assert_select '#Framework-Trace' do
+        assert_select 'pre code a:first', /method_that_raises/
+      end
     end
   end
 end
diff --git a/actionpack/test/dispatch/routing/inspector_test.rb b/actionpack/test/dispatch/routing/inspector_test.rb
index 4047214843723927f08f9cbfad67b3737814666f..24bd4b04ec1fdd18e5b631dcd4d431fea862a05c 100644
--- a/actionpack/test/dispatch/routing/inspector_test.rb
+++ b/actionpack/test/dispatch/routing/inspector_test.rb
@@ -12,12 +12,6 @@ module Routing
     class RoutesInspectorTest < ActiveSupport::TestCase
       def setup
         @set = ActionDispatch::Routing::RouteSet.new
-        app = ActiveSupport::OrderedOptions.new
-        app.config = ActiveSupport::OrderedOptions.new
-        app.config.assets = ActiveSupport::OrderedOptions.new
-        app.config.assets.prefix = '/sprockets'
-        Rails.stubs(:application).returns(app)
-        Rails.stubs(:env).returns("development")
       end
 
       def draw(options = {}, &block)
@@ -316,9 +310,6 @@ def test_regression_route_with_controller_regexp
 
       def test_inspect_routes_shows_resources_route_when_assets_disabled
         @set = ActionDispatch::Routing::RouteSet.new
-        app = ActiveSupport::OrderedOptions.new
-
-        Rails.stubs(:application).returns(app)
 
         output = draw do
           get '/cart', to: 'cart#show'