Upgrade bazlets to latest master to build with 3.0.0-SNAPSHOT API

Also adapt to new TestAccount AutoValue class.

Change-Id: I18ef0d7ad7a0a172e4628933dda74a2d520a7412
diff --git a/WORKSPACE b/WORKSPACE
index 5d6ed2b..e96b40a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "279d12d33bd17dd49951146186f3d17f50fdc919",
+    commit = "f3b3eecf061193e8909298bc9c35027df3bf9d44",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java b/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
index 0c0101b..352389b 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
@@ -66,7 +66,7 @@
     in.name = groupName;
     in.ownerId = "Administrators";
     gApi.groups().create(in);
-    gApi.groups().id(groupName).addMembers(user.username);
+    gApi.groups().id(groupName).addMembers(user.username());
   }
 
   private void createProjectWithChange(String projectName) throws RestApiException {