Make name and address fields required on Registrar

The absence of these fields causes RDE failures, so they are in effect
required on any functioning registry system. We are currently
experiencing problems in sandbox caused by null values on these fields.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=155474895

javatests/google/registry/testing/DatastoreHelper.java

@@ -83,6 +83,7 @@ import google.registry.model.ofy.ObjectifyService;
 import google.registry.model.poll.PollMessage;
 import google.registry.model.pricing.StaticPremiumListPricingEngine;
 import google.registry.model.registrar.Registrar;
+import google.registry.model.registrar.RegistrarAddress;
 import google.registry.model.registry.Registry;
 import google.registry.model.registry.Registry.TldState;
 import google.registry.model.registry.Registry.TldType;
@@ -611,14 +612,22 @@ public class DatastoreHelper {
         .build());
   }
 
-  /** Creates a stripped-down {@link Registrar} with the specified clientId and ianaIdentifier */
-  public static Registrar persistNewRegistrar(String clientId, long ianaIdentifier) {
+  /** Persists and returns a {@link Registrar} with the specified attributes. */
+  public static Registrar persistNewRegistrar(
+      String clientId, String registrarName, Registrar.Type type, long ianaIdentifier) {
     return persistSimpleResource(
         new Registrar.Builder()
-          .setClientId(clientId)
-          .setType(Registrar.Type.REAL)
-          .setIanaIdentifier(ianaIdentifier)
-          .build());
+            .setClientId(clientId)
+            .setRegistrarName(registrarName)
+            .setType(type)
+            .setIanaIdentifier(ianaIdentifier)
+            .setLocalizedAddress(
+                new RegistrarAddress.Builder()
+                    .setStreet(ImmutableList.of("123 Fake St"))
+                    .setCity("Fakington")
+                    .setCountryCode("US")
+                    .build())
+            .build());
   }
 
   private static Iterable<BillingEvent> getBillingEvents() {