Use non-monkey-patched describe

spec/policies/post_policy_spec.rb

@@ -2,7 +2,7 @@
 
 require "spec_helper"
 
-describe PostPolicy do
+RSpec.describe PostPolicy do
   let(:user) { double }
   let(:own_post) { double(user: user) }
   let(:other_post) { double(user: double) }

spec/policy_finder_spec.rb

@@ -2,7 +2,7 @@
 
 require "spec_helper"
 
-describe Pundit::PolicyFinder do
+RSpec.describe Pundit::PolicyFinder do
   let(:user) { double }
   let(:post) { Post.new(user) }
   let(:comment) { CommentFourFiveSix.new }

spec/pundit_spec.rb

@@ -2,7 +2,7 @@
 
 require "spec_helper"
 
-describe Pundit do
+RSpec.describe Pundit do
   let(:user) { double }
   let(:post) { Post.new(user) }
   let(:customer_post) { Customer::Post.new(user) }