diff --git a/actionpack/test/controller/new_base/render_streaming_test.rb b/actionpack/test/controller/new_base/render_streaming_test.rb
index 23dc6bca40..d9789355f9 100644
--- a/actionpack/test/controller/new_base/render_streaming_test.rb
+++ b/actionpack/test/controller/new_base/render_streaming_test.rb
@@ -44,6 +44,10 @@ module RenderStreaming
   end
 
   class StreamingTest < Rack::TestCase
+    def get(path, headers: { "SERVER_PROTOCOL" => "HTTP/1.1", "HTTP_VERSION" => "HTTP/1.1" })
+      super
+    end
+
     test "rendering with streaming enabled at the class level" do
       get "/render_streaming/basic/hello_world"
       assert_body "b\r\nHello world\r\nb\r\n, I'm here!\r\n0\r\n\r\n"
diff --git a/actionpack/test/dispatch/session/cache_store_test.rb b/actionpack/test/dispatch/session/cache_store_test.rb
index 9677d177d0..6479654c73 100644
--- a/actionpack/test/dispatch/session/cache_store_test.rb
+++ b/actionpack/test/dispatch/session/cache_store_test.rb
@@ -59,7 +59,7 @@ class CacheStoreTest < ActionDispatch::IntegrationTest
       get "/set_session_value"
       assert_response :success
       assert cookies["_session_id"]
-      session_cookie = cookies.send(:hash_for)["_session_id"]
+      session_cookie = cookies.get_cookie("_session_id")
 
       get "/call_reset_session"
       assert_response :success
diff --git a/actionpack/test/dispatch/session/mem_cache_store_test.rb b/actionpack/test/dispatch/session/mem_cache_store_test.rb
index 417a8355bf..188f321c59 100644
--- a/actionpack/test/dispatch/session/mem_cache_store_test.rb
+++ b/actionpack/test/dispatch/session/mem_cache_store_test.rb
@@ -71,7 +71,7 @@ class MemCacheStoreTest < ActionDispatch::IntegrationTest
         get "/set_session_value"
         assert_response :success
         assert cookies["_session_id"]
-        session_cookie = cookies.send(:hash_for)["_session_id"]
+        session_cookie = cookies.get_cookie("_session_id")
 
         get "/call_reset_session"
         assert_response :success