Load tags sql on connection is created on tests.

tests/conftest.py

@@ -1,4 +1,8 @@
 import pytest
+import os.path
+from functools import lru_cache
+
+from django.conf import settings
 
 from .fixtures import *
 
@@ -10,3 +14,18 @@ def pytest_addoption(parser):
 def pytest_runtest_setup(item):
     if "slow" in item.keywords and not item.config.getoption("--runslow"):
         pytest.skip("need --runslow option to run")
+
+@lru_cache(maxsize=4)
+def _get_sql():
+    path = os.path.join(settings.BASE_DIR, "sql", "tags.sql")
+    with open(path, "r") as f:
+        return f.read()
+
+
+def on_db_connect(sender, connection, **kwargs):
+    cursor = connection.cursor()
+    cursor.execute(_get_sql())
+
+
+from django.db.backends import signals
+signals.connection_created.connect(on_db_connect)