PYTHON-5168 Fix race in test

Author: ShaneHarvey

test/asynchronous/test_client.py

@@ -1808,10 +1808,10 @@ async def fail_connect(*args, **kwargs):
 
             await pool.reset_without_pause()
 
-            await async_wait_until(lambda: len(cm.records) > 0, "start creating connections")
-            log_output = "".join(cm.output)
-            self.assertIn("failed to connect", log_output)
-            self.assertIn("MongoClient background task encountered an error", log_output)
+            await async_wait_until(
+                lambda: "failed to connect" in "".join(cm.output), "start creating connections"
+            )
+            self.assertIn("MongoClient background task encountered an error", "".join(cm.output))
 
     @async_client_context.require_replica_set
     async def test_direct_connection(self):

test/test_client.py

@@ -1765,10 +1765,10 @@ def fail_connect(*args, **kwargs):
 
             pool.reset_without_pause()
 
-            wait_until(lambda: len(cm.records) > 0, "start creating connections")
-            log_output = "".join(cm.output)
-            self.assertIn("failed to connect", log_output)
-            self.assertIn("MongoClient background task encountered an error", log_output)
+            wait_until(
+                lambda: "failed to connect" in "".join(cm.output), "start creating connections"
+            )
+            self.assertIn("MongoClient background task encountered an error", "".join(cm.output))
 
     @client_context.require_replica_set
     def test_direct_connection(self):