Use translation file for errors, display reserved domain error through epp

spec/epp/domain_spec.rb

@@ -23,6 +23,14 @@ describe 'EPP Domain', epp: true do
       expect(response[:clTRID]).to eq('ABC-12345')
     end
 
+    it 'does not create reserved domain' do
+      Fabricate(:reserved_domain)
+      response = epp_request('domains/create_reserved.xml')
+      expect(response[:result_code]).to eq('2302')
+      expect(response[:msg]).to eq('Domain name is reserved or restricted')
+      expect(response[:clTRID]).to eq('ABC-12345')
+    end
+
     it 'checks a domain' do
       response = epp_request('domains/check.xml')
       expect(response[:result_code]).to eq('1000')

spec/epp/requests/domains/create_reserved.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
+  <command>
+    <create>
+      <domain:create
+       xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <domain:name>1162.ee</domain:name>
+        <domain:period unit="y">1</domain:period>
+        <domain:ns>
+          <domain:hostObj>ns1.example.net</domain:hostObj>
+          <domain:hostObj>ns2.example.net</domain:hostObj>
+        </domain:ns>
+        <domain:registrant>jd1234</domain:registrant>
+        <domain:contact type="admin">sh8013</domain:contact>
+        <domain:contact type="tech">sh8013</domain:contact>
+        <domain:authInfo>
+          <domain:pw>2fooBAR</domain:pw>
+        </domain:authInfo>
+      </domain:create>
+    </create>
+    <clTRID>ABC-12345</clTRID>
+  </command>
+</epp>