chore: add now-required message to LockError

Refs: redis/redis-py#3168

Signed-off-by: Mike Fiedler <miketheman@gmail.com>

tests/unit/search/test_tasks.py

@@ -268,7 +268,7 @@ def test_retry_on_lock(self, db_request, monkeypatch):
 
         db_request.registry.settings = {"celery.scheduler_url": "redis://redis:6379/0"}
 
-        le = redis.exceptions.LockError()
+        le = redis.exceptions.LockError("Failed to acquire lock")
         monkeypatch.setattr(SearchLock, "acquire", pretend.raiser(le))
 
         with pytest.raises(celery.exceptions.Retry):
@@ -555,7 +555,7 @@ def test_unindex_retry_on_lock(self, db_request, monkeypatch):
 
         db_request.registry.settings = {"celery.scheduler_url": "redis://redis:6379/0"}
 
-        le = redis.exceptions.LockError()
+        le = redis.exceptions.LockError("Failed to acquire lock")
         monkeypatch.setattr(SearchLock, "acquire", pretend.raiser(le))
 
         with pytest.raises(celery.exceptions.Retry):
@@ -570,7 +570,7 @@ def test_reindex_retry_on_lock(self, db_request, monkeypatch):
 
         db_request.registry.settings = {"celery.scheduler_url": "redis://redis:6379/0"}
 
-        le = redis.exceptions.LockError()
+        le = redis.exceptions.LockError("Failed to acquire lock")
         monkeypatch.setattr(SearchLock, "acquire", pretend.raiser(le))
 
         with pytest.raises(celery.exceptions.Retry):