Added changelog and explanatory comment to test

Author: caitriona-cloudsmith

CHANGELOG.md

@@ -1,5 +1,5 @@
 ### 1.5.0
-
+- feat: #133: Fix simultaneous queries error when iteration is interrupted
 - feat: #129: Add `toYearWeek` datetime functionality
 
 ### 1.4.0

tests/backends/clickhouse/test_driver.py

@@ -30,6 +30,11 @@ def setUpTestData(cls):
         )
 
     def test_connection_not_reused_when_iteration_interrupted(self):
+        """
+        This test demonstrates that if a queryset is iterated over and the
+        iteration is interrupted (e.g. via a break statement), the connection
+        used for that iteration is disconnected and not returned to the pool.
+        """
         pool = connection.connection.pool
 
         connection_count_before = len(pool._pool)