2 files changed, 9 insertions, 4 deletions
diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index 53cebf768e..7ac9d97096 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -4,7 +4,7 @@ uses_mocha 'integration' do
 
 class SessionTest < Test::Unit::TestCase
   StubApp = lambda { |env|
-    [200, {"Content-Type" => "text/html"}, "Hello, World!"]
+    [200, {"Content-Type" => "text/html", "Content-Length" => "13"}, "Hello, World!"]
   }
 
   def setup
@@ -465,9 +465,9 @@ class MetalTest < ActionController::IntegrationTest
   class Poller
     def self.call(env)
       if env["PATH_INFO"] =~ /^\/success/
-        [200, {"Content-Type" => "text/plain"}, "Hello World!"]
+        [200, {"Content-Type" => "text/plain", "Content-Length" => "12"}, "Hello World!"]
       else
-        [404, {"Content-Type" => "text/plain"}, '']
+        [404, {"Content-Type" => "text/plain", "Content-Length" => "0"}, '']
       end
     end
   end
diff --git a/actionpack/test/controller/rack_test.rb b/actionpack/test/controller/rack_test.rb
index 31bff4ae6d..8fd004a9e9 100644
--- a/actionpack/test/controller/rack_test.rb
+++ b/actionpack/test/controller/rack_test.rb
@@ -236,7 +236,12 @@ class RackResponseTest < BaseRackTest
 
     status, headers, body = @response.to_a
     assert_equal 200, status
-    assert_equal({"Content-Type" => "text/html; charset=utf-8", "Cache-Control" => "no-cache", "Set-Cookie" => []}, headers)
+    assert_equal({
+      "Content-Type" => "text/html; charset=utf-8",
+      "Content-Length" => "",
+      "Cache-Control" => "no-cache",
+      "Set-Cookie" => []
+    }, headers)
 
     parts = []
     body.each { |part| parts << part }