Adapt to new TestAccount AutoValue class

Change-Id: I3594aa327ecf9aaabf7295e12e515e98cf9b127b
diff --git a/src/test/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroupTest.java b/src/test/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroupTest.java
index ce3bfb7..c6e6e80 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroupTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroupTest.java
@@ -35,7 +35,7 @@
   @Test
   public void testSuggestion() throws Exception {
     // No ability to modify account and therefore no ACL to see secondary email
-    requestScopeOperations.setApiUser(user.getId());
+    requestScopeOperations.setApiUser(user.id());
     Map<String, GroupInfo> groups = gApi.groups().list().withSuggest("adm").getAsMap();
     assertThat(groups).containsKey("user/Administrator (admin)");
   }