Add tests to user model and admin panel requests

spec/factories/users.rb

@@ -5,4 +5,20 @@ FactoryBot.define do
     full_name { "First Last" }
     password { "password" }
   end
+
+  factory :moderator, class: User do
+    sequence(:email) { |n| "mod#{n}@example.com" }
+    
+    full_name { "First Last" }
+    password { "password" }
+    role { "moderator" }
+  end
+
+  factory :admin, class: User do
+    sequence(:email) { |n| "admin#{n}@example.com" }
+    
+    full_name { "First Last" }
+    password { "password" }
+    role { "admin" }
+  end
 end