add rspec tests

spec/factories.rb

@@ -0,0 +1,25 @@
+FactoryBot.define do
+  
+  factory :user do
+    password = Faker::Internet.password(8)
+
+    provider { %w(greenlight google twitter).sample }
+    uid { rand(10 ** 8) }
+    name { Faker::Name.first_name }
+    username { Faker::Internet.user_name }
+    email { Faker::Internet.email }
+    password { password }
+    password_confirmation { password }
+  end
+
+  factory :room do
+    uid { rand(10 ** 8) }
+    user { create(:user) }
+  end
+
+  factory :meeting do
+    uid { rand(10 ** 8) }
+    name { Faker::Pokemon.name }
+    room { create(:room) }
+  end
+end