From c061f6830e66ff7770bc0af43eb0442fbdf0f441 Mon Sep 17 00:00:00 2001
From: Sajith Sasidharan <sajith@hcoop.net>
Date: Thu, 13 Feb 2020 17:00:54 -0500
Subject: [PATCH] Use `successResultOf` in `renderSynchronously`

Get rid of [].append trick when dealing with the deferred.
---
 src/allmydata/test/test_storage.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/allmydata/test/test_storage.py b/src/allmydata/test/test_storage.py
index f37401cc2..0a176bd60 100644
--- a/src/allmydata/test/test_storage.py
+++ b/src/allmydata/test/test_storage.py
@@ -2969,9 +2969,8 @@ def renderSynchronously(ss):
     :param _StorageStatus ss: a StorageStatus instance.
     """
     elem = StorageStatusElement(ss.storage, ss.nickname)
-    result = []
-    flattenString(None, elem).addCallback(result.append)
-    return result[0]
+    deferred = flattenString(None, elem)
+    return unittest.TestCase().successResultOf(deferred)
 
 class MyBucketCountingCrawler(BucketCountingCrawler):
     def finished_prefix(self, cycle, prefix):