From 8660e2097643e48f42c8193b179cc26b9460ef1c Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 17 Jul 2022 21:54:06 +0530
Subject: [PATCH] Make test a bit more robust

---
 src/calibre/db/tests/writing.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/calibre/db/tests/writing.py b/src/calibre/db/tests/writing.py
index a5cc86647a..014a1eb970 100644
--- a/src/calibre/db/tests/writing.py
+++ b/src/calibre/db/tests/writing.py
@@ -845,7 +845,14 @@ class WritingTest(BaseTest):
         def ae(l, r):
             # We need to sleep a bit to allow events to happen on its thread
             import time
-            time.sleep(.001)
+            st = time.monotonic()
+            while time.monotonic() - st < 1:
+                time.sleep(0.01)
+                try:
+                    self.assertEqual(l, r)
+                    return
+                except Exception:
+                    pass
             self.assertEqual(l, r)
 
         cache = self.init_cache(self.cloned_library)