Improve registrar area sign-in/out specs

#599

spec/requests/registrar/sign_in/password_spec.rb

@@ -0,0 +1,20 @@
+require 'rails_helper'
+
+RSpec.describe 'Registrar area password sign-in', settings: false do
+  let!(:user) { create(:api_user, active: true, login: 'test', password: 'testtest') }
+
+  before do
+    Setting.registrar_ip_whitelist_enabled = false
+  end
+
+  it 'signs the user in' do
+    post registrar_sessions_path, depp_user: { tag: 'test', password: 'testtest' }
+    follow_redirect!
+    expect(controller.current_user).to eq(user)
+  end
+
+  it 'redirects to root url' do
+    post registrar_sessions_path, depp_user: { tag: 'test', password: 'testtest' }
+    expect(response).to redirect_to(registrar_root_url)
+  end
+end