keycloak-memoizeit

diff --git a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/migration/MigrationTest.java b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/migration/MigrationTest.java
index fe789ac..a3ff894 100644
--- a/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/migration/MigrationTest.java
+++ b/testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/migration/MigrationTest.java
@@ -78,6 +78,7 @@ public class MigrationTest extends AbstractKeycloakTest {
         testMigrationTo2_1_0();
         testMigrationTo2_2_0();
         testMigrationTo2_3_0();
+        testMigrationTo2_5_0();
     }
     
     @Test
@@ -85,6 +86,7 @@ public class MigrationTest extends AbstractKeycloakTest {
     public void migration2_2_1Test() {
         testMigratedData();
         testMigrationTo2_3_0();
+        testMigrationTo2_5_0();
     }
     
     private void testMigratedData() {
@@ -135,6 +137,13 @@ public class MigrationTest extends AbstractKeycloakTest {
         testUpdateProtocolMappers(masterRealm, migrationRealm);
     }
     
+    private void testMigrationTo2_5_0() {
+        //TODO org.keycloak.migration.migrators.MigrateTo2_5_0
+        
+        //https://github.com/keycloak/keycloak/pull/3630
+        testDuplicateEmailSupport(masterRealm, migrationRealm);
+    }
+    
     private void testAuthorizationServices(RealmResource... realms) {
         for (RealmResource realm : realms) {
             //test setup of authorization services
@@ -214,4 +223,12 @@ public class MigrationTest extends AbstractKeycloakTest {
                     protocolMapper.getConfig().get("id.token.claim"), protocolMapper.getConfig().get("userinfo.token.claim"));
         }
     }
+    
+    private void testDuplicateEmailSupport(RealmResource... realms) {
+        for (RealmResource realm : realms) {
+            RealmRepresentation rep = realm.toRepresentation();
+            assertTrue("LoginWithEmailAllowed should be enabled.", rep.isLoginWithEmailAllowed());
+            assertFalse("DuplicateEmailsAllowed should be disabled.", rep.isDuplicateEmailsAllowed());
+        }
+    }
 }