fix(tests): update test assertions to match refactored function signatures

- Pass url_template and landing_subdir to extract_cot_year (signature changed to support both COT variants)
- Update secrets test assertion from 'ESC connection successful' to 'SOPS decryption successful'

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/test_cli_e2e.py

@@ -27,7 +27,7 @@ def test_secrets_test_command(mock_secrets):
     """Test secrets test command."""
     result = runner.invoke(app, ["secrets", "test"])
     assert result.exit_code == 0
-    assert "ESC connection successful" in result.stdout
+    assert "SOPS decryption successful" in result.stdout
 
 
 def test_secrets_list_command(mock_secrets):