Make sure to add the USP parameter to email checks IT

Change-Id: I24569c07351839f8c75c7b80cd60f58672830471
diff --git a/javatests/com/google/gerrit/plugins/checks/acceptance/api/ChecksEmailIT.java b/javatests/com/google/gerrit/plugins/checks/acceptance/api/ChecksEmailIT.java
index b706898..bfb3435 100644
--- a/javatests/com/google/gerrit/plugins/checks/acceptance/api/ChecksEmailIT.java
+++ b/javatests/com/google/gerrit/plugins/checks/acceptance/api/ChecksEmailIT.java
@@ -1212,7 +1212,7 @@
   }
 
   private String changeUrl(Change change) {
-    return canonicalWebUrl.get() + "c/" + change.getProject().get() + "/+/" + change.getChangeId();
+    return canonicalWebUrl.get() + "c/" + change.getProject().get() + "/+/" + change.getChangeId() + "?usp=email";
   }
 
   private CombinedCheckState getCombinedCheckState() throws RestApiException {