Validate contact phone for zeros

#386

spec/requests/epp/contact/update/phone_spec.rb

@@ -0,0 +1,30 @@
+require 'rails_helper'
+require_relative '../shared/phone'
+
+RSpec.describe 'EPP contact:update' do
+  let!(:contact) { create(:contact, code: 'TEST') }
+  let(:request) { post '/epp/command/update', frame: request_xml }
+  let(:request_xml) { <<-XML
+    <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+    <epp xmlns="https://epp.tld.ee/schema/epp-ee-1.0.xsd">
+      <command>
+        <update>
+          <contact:update xmlns:contact="https://epp.tld.ee/schema/contact-ee-1.1.xsd">
+            <contact:id>TEST</contact:id>
+            <contact:chg>
+              <contact:voice>#{phone}</contact:voice>
+            </contact:chg>
+          </contact:update>
+        </update>
+      </command>
+    </epp>
+  XML
+  }
+
+  before do
+    sign_in_to_epp_area
+    allow(Contact).to receive(:address_processing?).and_return(false)
+  end
+
+  include_examples 'EPP contact phone'
+end