Move the (unstable) `dir` parameter for /relations behind an experimental flag. (#12984)

MSC3715 defines this parameter, but the unstable version of it should be
behind an experimental flag.

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/rest/client/test_relations.py b/tests/rest/client/test_relations.py

index 62e4db23ef..aa84906548 100644
--- a/tests/rest/client/test_relations.py
+++ b/tests/rest/client/test_relations.py
@@ -728,6 +728,7 @@ class RelationsTestCase(BaseRelationsTestCase):
 
 
 class RelationPaginationTestCase(BaseRelationsTestCase):
+    @unittest.override_config({"experimental_features": {"msc3715_enabled": True}})
     def test_basic_paginate_relations(self) -> None:
         """Tests that calling pagination API correctly the latest relations."""
         channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")