1 files changed, 11 insertions, 0 deletions
diff --git a/tests/storage/test_transactions.py b/tests/storage/test_transactions.py
index a771d5af29..8e817e2c7f 100644
--- a/tests/storage/test_transactions.py
+++ b/tests/storage/test_transactions.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from synapse.util.retryutils import MAX_RETRY_INTERVAL
+
 from tests.unittest import HomeserverTestCase
 
 
@@ -45,3 +47,12 @@ class TransactionStoreTestCase(HomeserverTestCase):
         """
         d = self.store.set_destination_retry_timings("example.com", 1000, 50, 100)
         self.get_success(d)
+
+    def test_large_destination_retry(self):
+        d = self.store.set_destination_retry_timings(
+            "example.com", MAX_RETRY_INTERVAL, MAX_RETRY_INTERVAL, MAX_RETRY_INTERVAL
+        )
+        self.get_success(d)
+
+        d = self.store.get_destination_retry_timings("example.com")
+        self.get_success(d)