Fix tests following a change to AccountCreator

Change-Id: I86e05c9842aed20dbf9d52b13e34209100a7d396
diff --git a/src/test/java/com/googlesource/gerrit/plugins/reviewers/ReviewersResolverIT.java b/src/test/java/com/googlesource/gerrit/plugins/reviewers/ReviewersResolverIT.java
index 38f367d..afb520c 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/reviewers/ReviewersResolverIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/reviewers/ReviewersResolverIT.java
@@ -87,6 +87,6 @@
 
   private TestAccount createTestAccount(String name, String group) throws Exception {
     name = name(name);
-    return accountCreator.create(name, name + "@example.com", name + " full name", group);
+    return accountCreator.create(name, name + "@example.com", name + " full name", null, group);
   }
 }