Improve registrar area sign-in/out specs

#599

spec/features/registrar/sign_in/password_spec.rb

@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+RSpec.feature 'Registrar area password sign-in' do
+  background do
+    Setting.registrar_ip_whitelist_enabled = false
+  end
+
+  scenario 'signs in the user with valid credentials' do
+    create(:api_user_with_unlimited_balance,
+           active: true,
+           login: 'test',
+           password: 'testtest')
+
+    visit registrar_login_path
+    sign_in_with 'test', 'testtest'
+
+    expect(page).to have_text(t('registrar.base.current_user.sign_out'))
+  end
+
+  scenario 'notifies the user with invalid credentials' do
+    create(:api_user, login: 'test', password: 'testtest')
+
+    visit registrar_login_path
+    sign_in_with 'test', 'invalid'
+
+    expect(page).to have_text('No such user')
+  end
+
+  scenario 'notifies the user with inactive account' do
+    create(:api_user, active: false, login: 'test', password: 'testtest')
+
+    visit registrar_login_path
+    sign_in_with 'test', 'testtest'
+
+    expect(page).to have_text('User is not active')
+  end
+
+  def sign_in_with(username, password)
+    fill_in 'depp_user_tag', with: username
+    fill_in 'depp_user_password', with: password
+    click_button 'Login'
+  end
+end