Add registrar area contact delete spec

#270

spec/features/registrar/contacts/delete_spec.rb

@@ -0,0 +1,52 @@
+require 'rails_helper'
+
+class FakeDeppContact
+  include ActiveModel::Model
+
+  def id
+    'test'
+  end
+
+  def name
+    'test'
+  end
+
+  def persisted?
+    true
+  end
+
+  def password
+    'test'
+  end
+
+  def delete
+    true
+  end
+end
+
+RSpec.feature 'Contact deletion in registrar area' do
+  given!(:registrar) { create(:registrar) }
+  given!(:contact) { create(:contact, registrar: registrar) }
+
+  background do
+    allow(Depp::Contact).to receive(:find_by_id).and_return(FakeDeppContact.new)
+    allow(Depp::Contact).to receive(:new).and_return(FakeDeppContact.new)
+    Setting.api_ip_whitelist_enabled = false
+    Setting.registrar_ip_whitelist_enabled = false
+    sign_in_to_registrar_area(user: create(:api_user_with_unlimited_balance, registrar: registrar))
+  end
+
+  it 'deletes contact' do
+    visit registrar_contacts_url
+    click_link_or_button 'Delete'
+    confirm
+
+    expect(page).to have_text('Destroyed')
+  end
+
+  private
+
+  def confirm
+    click_link_or_button 'Delete'
+  end
+end