Add specs for editor in nested resources

Rakefile

@@ -1,3 +1,13 @@
 # frozen_string_literal: true
 
 require 'bundler/gem_tasks'
+
+begin
+  require 'rspec/core/rake_task'
+
+  RSpec::Core::RakeTask.new(:spec)
+
+  task default: :spec
+rescue LoadError
+  puts '! LoadError: no RSpec available'
+end