gistfile1.diff

diff --git a/lib/test_utils.js b/lib/test_utils.js
index 36399f6..8a3f57b 100644
--- a/lib/test_utils.js
+++ b/lib/test_utils.js
@@ -107,6 +107,7 @@ function ImTester(api, opts) {
         var session_event = opt_or_default(opts.session_event, "continue");
         var continue_session = opt_or_default(opts.continue_session, true);
         var from_addr = opt_or_default(opts.from_addr, "1234567");
+        var helper_metadata = opt_or_default(opts.helper_metadata, {});
         var message_id = opt_or_default(opts.message_id, "123");
         var async = opt_or_default(opts.async, self.async);
 
@@ -130,7 +131,8 @@ function ImTester(api, opts) {
                 from_addr: from_addr,
                 content: content,
                 message_id: message_id,
-                session_event: session_event
+                session_event: session_event,
+                helper_metadata: helper_metadata
             }
         });
 
@@ -247,4 +249,4 @@ function ImTester(api, opts) {
 
 // exports
 
-this.ImTester = ImTester;
\ No newline at end of file
+this.ImTester = ImTester;

After discussion we've decided to add support for helper_metadata instead.

👍