Add test for protocol parameter combined with host parameter

Co-authored-by: joelhawksley <1940294+joelhawksley@users.noreply.github.com>

Author: Copilot

test/sandbox/test/test_helper_test.rb

@@ -77,4 +77,12 @@ def test_with_request_url_restores_original_protocol
     # Verify original protocol is restored
     assert_equal original_scheme, vc_test_request.scheme
   end
+
+  def test_with_request_url_with_protocol_and_host
+    with_request_url "/products", protocol: "https", host: "secure.example.com" do
+      render_inline(ProtocolComponent.new)
+    end
+
+    assert_selector(".protocol", text: "Protocol: https, SSL: true")
+  end
 end