Update home specs to be more accurate

and tenancy-aware

spec/requests/home_spec.rb

@@ -1,27 +1,29 @@
 RSpec.describe 'Home page', type: :request do
   context 'with multitenancy' do
     describe 'GET /' do
-      context "on the primary host" do
+      context 'on the primary host' do
         before { host! 'localhost' }
         it 'redirects to the accounts landing page' do
           get root_path
           expect(response).to have_http_status(200)
         end
       end
 
-      context "on a subhost" do
-        before { host! 'foo.bar.com' }
+      context 'on an unknown subhost' do
+        before { host! 'mystery.localhost' }
         it 'raises a 404' do
           expect { get root_path }.to raise_error(ActionController::RoutingError)
         end
       end
     end
   end
 
-  describe 'GET /' do
-    it 'works! (now write some real specs)' do
-      get root_path
-      expect(response).to have_http_status(200)
+  context 'with singletenancy', singletenant: true do
+    describe 'GET /' do
+      it 'fields the request' do
+        get root_path
+        expect(response).to have_http_status(200)
+      end
     end
   end
 end