Fix typo
diff --git a/atmosphere/tests/e2e/test_operator.py b/atmosphere/tests/e2e/test_operator.py
index e0bce81..3ef68d4 100644
--- a/atmosphere/tests/e2e/test_operator.py
+++ b/atmosphere/tests/e2e/test_operator.py
@@ -26,7 +26,10 @@
 
     env = Environment(
         loader=FileSystemLoader("roles/atmosphere/templates"),
-        extensions=["jinja2_base64_filters.Base64Filters", "jinja2_base64_filters.Base64Filters"],
+        extensions=[
+            "jinja2_base64_filters.Base64Filters",
+            "jinja2_ansible_filters.AnsibleCoreFiltersExtension",
+        ],
     )
     env.filters["vexxhost.atmosphere.to_toml"] = tomli_w.dumps
     env.filters["combine"] = core.combine