Replace user double with value

gears/carto_gears_api/spec/carto_gears_api/users_service_spec.rb

@@ -5,26 +5,23 @@ describe CartoGearsApi::Users::UsersService do
   describe '#logged_user' do
     module CartoDB; end
 
-    let(:id) { 'b51e56fb-f3c9-463f-b950-d9be188551e5' }
-    let(:username) { 'wadus_username' }
-    let(:email) { 'wadus@carto.com' }
-
     let(:service) { CartoGearsApi::Users::UsersService.new }
 
     # This test is 100% bound to implementation. It's mostly a PoC for unit testing
     # within Gears and should not be used as an example.
     it 'returns the logged user based on subdomain and warden' do
-      user = double
-      user.stub(:id).and_return(id)
-      user.stub(:username).and_return(username)
-      user.stub(:email).and_return(email)
-      user.stub(:organization).and_return(nil)
-      user.stub(:feature_flags).and_return([])
+      user = CartoGearsApi::Users::User.with(
+                                         id: 'b51e56fb-f3c9-463f-b950-d9be188551e5',
+                                         username: 'wadus_username',
+                                         email: 'wadus@carto.com',
+                                         organization: nil,
+                                         feature_flags: [],
+                                         can_change_email: true)
       warden = double
       warden.should_receive(:user).once.and_return(user)
       request = double
       request.should_receive(:env).once.and_return('warden' => warden)
-      CartoDB.should_receive(:extract_subdomain).with(request).and_return(username)
+      CartoDB.should_receive(:extract_subdomain).with(request).and_return(user.username)
 
       logged_user = service.logged_user(request)
       logged_user.email.should eq user.email