Fix system specs (#206)

spec/spec_helper.rb

@@ -17,9 +17,8 @@ RSpec.configure do |config|
   ENV["RAILS_ENV"] = "test"
 
   # Set tenant before each test
-  config.before(:all) do
-    # Current.reset
-    Current.tenant = Tenant.first_or_create(site_name: 'test', subdomain: 'test')
+  config.before(:each) do
+    Current.tenant = FactoryBot.create(:tenant)
   end
 
   # rspec-expectations config goes here. You can use an alternate