Merge pull request lightspeed-core#945 from tisnik/updated-docstrings-in-authentication-unit-tests

LCORE-1092: Updated docstring in authentication unit tests

Author: tisnik

tests/unit/authentication/test_api_key_token.py

@@ -13,7 +13,14 @@
 
 @pytest.fixture
 def default_api_key_token_configuration() -> APIKeyTokenConfiguration:
-    """Default APIKeyTokenConfiguration for testing."""
+    """Default APIKeyTokenConfiguration for testing.
+
+    Provide a default APIKeyTokenConfiguration for tests.
+
+    Returns:
+        APIKeyTokenConfiguration: configuration with `api_key` set to
+        `SecretStr("some-test-api-key")`.
+    """
     return APIKeyTokenConfiguration(api_key=SecretStr("some-test-api-key"))