Improve app/policies coverage (#32426)

spec/policies/ip_block_policy_spec.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require 'rails_helper'
-require 'pundit/rspec'
 
 RSpec.describe IpBlockPolicy do
   let(:policy) { described_class }
@@ -11,13 +10,13 @@ RSpec.describe IpBlockPolicy do
   permissions :index?, :show?, :create?, :update?, :destroy? do
     context 'with an admin' do
       it 'permits' do
-        expect(policy).to permit(admin, Tag)
+        expect(policy).to permit(admin, IpBlock)
       end
     end
 
     context 'with a non-admin' do
       it 'denies' do
-        expect(policy).to_not permit(john, Tag)
+        expect(policy).to_not permit(john, IpBlock)
       end
     end
   end