Adapt plugin to new Emails API

Change-Id: I2ff28dfe54e6110f394caf94eb49ce038694dcf9
diff --git a/src/test/java/com/googlesource/gerrit/plugins/findowners/OwnersValidatorTest.java b/src/test/java/com/googlesource/gerrit/plugins/findowners/OwnersValidatorTest.java
index 68e8b3d..b8d445a 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/findowners/OwnersValidatorTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/findowners/OwnersValidatorTest.java
@@ -59,7 +59,7 @@
     Set<String> registered;
 
     MockedEmails() {
-      super(null, null);
+      super(null, null, null);
       registered =
           ImmutableSet.of(
               "u1@g.com", "u2@g.com", "u2.m@g.com", "user1@google.com", "u1+review@g.com");