# Test Enforcement

- Every change must be programmatically tested. Write a new test or update an existing test, then run the affected tests to make sure they pass.
- Run the minimum number of tests needed to ensure code quality and speed. Use ___SINGLE_BACKTICK___<br />
<b>Fatal error</b>:  Call to undefined function e() in <b>/var/www/devel/md/product-db/storage/framework/views/c41626586031e10309dbb548f57ba44f.php</b> on line <b>7</b><br />