diff --git a/packages/livedata/package.js b/packages/livedata/package.js
index 22929c3bde..2918711e5f 100644
--- a/packages/livedata/package.js
+++ b/packages/livedata/package.js
@@ -34,4 +34,13 @@ Package.on_test(function (api) {
   api.add_files('livedata_connection_tests.js', ['client']);
   api.add_files('livedata_tests.js', ['client', 'server']);
   api.add_files('livedata_test_service.js', ['client', 'server']);
+
+  // XXX Currently there is no good way to share test files between
+  // packages. If the file is included here, when the whole test suite
+  // is run it is included twice and causes an error. However, if you
+  // don't include it here and run the tests just in this directory, the
+  // file is not included at all.
+  //
+  // api.add_files('../stream/stub_stream.js', ['client']);
+
 });