fix test for port_in_redirect off

spec/simple_spec.rb

@@ -65,10 +65,10 @@ RSpec.describe "Simple" do
   describe "redirects" do
     let(:name) { "redirects" }
 
-    it "should redirect and respect the http code" do
+    it "should redirect and respect the http code & remove the port" do
       response = app.get("/old/gone")
       expect(response.code).to eq("302")
-      expect(response["location"]).to eq("http://#{AppRunner::HOST_IP}:#{AppRunner::HOST_PORT}/")
+      expect(response["location"]).to eq("http://#{AppRunner::HOST_IP}/")
     end
   end
 

spec/support/app_runner.rb

@@ -54,8 +54,12 @@ class AppRunner
 
     run do
       network_retry(max_retries) do
-        uri      = URI("http://#{HOST_IP}:#{HOST_PORT}/#{path}")
-        response = Net::HTTP.get_response(uri)
+        uri = URI("#{path}")
+        uri.host   = HOST_IP   if uri.host.nil?
+        uri.port   = HOST_PORT if (uri.host == HOST_IP && uri.port != HOST_PORT) || uri.port.nil?
+        uri.scheme = "http"    if uri.scheme.nil?
+
+        response = Net::HTTP.get_response(URI(uri.to_s))
       end
     end