Mocking Dependencies For Testing

# Mocking Dependencies and Services in NestJS Tests Are you building robust NestJS applications and striving for bulletproof code? Testing is your secret weapon, and mastering dependency mocking is the key to unlocking efficient, reliable tests. Without it, your tests become brittle, slow, and prone to external failures. Imagine trying to test a complex service that relies on a third-party API or a database connection. Running these tests repeatedly can be a nightmare! This is where the art of