CheckProjectIT: add ChangeId when creating test commit

Change-Id: I6f9f88c549587aa6ccfab54161362101e3967a02
diff --git a/javatests/com/google/gerrit/acceptance/api/project/CheckProjectIT.java b/javatests/com/google/gerrit/acceptance/api/project/CheckProjectIT.java
index 96ba722..27dd16a 100644
--- a/javatests/com/google/gerrit/acceptance/api/project/CheckProjectIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/project/CheckProjectIT.java
@@ -287,10 +287,12 @@
             .branch("HEAD")
             .commit()
             .message("A change")
+            .insertChangeId()
             .author(admin.newIdent())
             .committer(new PersonIdent(admin.newIdent(), testRepo.getDate()))
             .create();
     pushHead(testRepo, "refs/for/master");
+
     return commit;
   }