Fix ProgrammingError in CI mode

Author: khvn26

api/conftest.py

@@ -14,7 +14,11 @@
 )
 from common.projects.permissions import VIEW_PROJECT
 from django.contrib.contenttypes.models import ContentType
+from django.contrib.postgres.signals import (
+    register_type_handlers,
+)
 from django.core.cache import caches
+from django.db import connections
 from django.db.backends.base.creation import TEST_DATABASE_PREFIX
 from django.test.utils import setup_databases
 from flag_engine.segments.constants import EQUAL
@@ -135,6 +139,11 @@ def pytest_configure(config: pytest.Config) -> None:
                 interactive=False,
                 parallel=config.option.numprocesses,
             )
+            # Ensure psycopg type handlers are registered.
+            # This is necessary for tests that involve `HStoreField`.
+            for connection in connections.all():
+                if connection.vendor == "postgresql":
+                    register_type_handlers(connection)
 
 
 @pytest.fixture