Teste unitário de usuário

app/models/user.rb

@@ -4,7 +4,7 @@ class User < ApplicationRecord
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
 
-  has_many :serie_acompanhadas
-  has_many :series, through: :serie_acompanhadas, source: :serie
+  belongs_to :series_list
 
+  validates :name, presence: true
 end

spec/factories/users.rb

@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory :user do
+    name "MyString"
+    email "MyString"
+    password "MyString"
+  end
+end

spec/models/user_spec.rb

@@ -0,0 +1,9 @@
+require 'rails_helper'
+
+RSpec.describe User, type: :model do
+  it { should belong_to :series_list }
+
+  it { should validate_presence_of :name }
+  it { should validate_presence_of :email }
+  it { should validate_presence_of :password }
+end