From ae0042a90220119414f61aeb20c6b58bfacb8af2 Mon Sep 17 00:00:00 2001
From: Barry Warsaw
Date: Tue, 29 Aug 2017 14:07:54 +0000
Subject: PR288 vetted

---
 src/mailman/testing/helpers.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/mailman/testing/helpers.py')

diff --git a/src/mailman/testing/helpers.py b/src/mailman/testing/helpers.py
index 8bb8e8bdd..f3f6b11aa 100644
--- a/src/mailman/testing/helpers.py
+++ b/src/mailman/testing/helpers.py
@@ -151,7 +151,9 @@ class TestableMaster(Master):
             until the pass condition is set.
         :type start_check: Callable taking no arguments, returning nothing.
         """
-        super().__init__(restartable=False, config_file=config.filename)
+        super().__init__(
+            restartable=False,
+            config_file=os.environ.get('MAILMAN_CONFIG_FILE', config.filename))
         self.start_check = start_check
         self.event = threading.Event()
         self.thread = threading.Thread(target=self.loop)
-- 
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