Fix all Layout/SpaceAfterComma issues and remove from rubocop_todo list

spec/features/management/users_spec.rb

@@ -29,7 +29,7 @@ feature 'Users' do
     expect(user).to be_level_three_verified
     expect(user).to be_residence_verified
     expect(user).to_not be_confirmed
-    expect(user.date_of_birth).to have_content (Date.new(1980,12,31))
+    expect(user.date_of_birth).to have_content (Date.new(1980, 12, 31))
 
     sent_token = /.*confirmation_token=(.*)".*/.match(ActionMailer::Base.deliveries.last.body.to_s)[1]
     visit user_confirmation_path(confirmation_token: sent_token)
@@ -69,7 +69,7 @@ feature 'Users' do
     expect(user).to be_level_three_verified
     expect(user).to be_residence_verified
     expect(user).to be_confirmed
-    expect(user.date_of_birth).to have_content (Date.new(1980,12,31))
+    expect(user.date_of_birth).to have_content (Date.new(1980, 12, 31))
   end
 
   scenario 'Delete a level 2 user account from document verification page', :js do