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This course aims to teach learners how to write maintainable unit tests for Angular components to avoid bugs and ensure smooth production launches. The course covers topics such as mocking, avoiding common pitfalls like NO_ERRORS_SCHEMA, understanding the connection between NgModule and TestBed, configuring TestBed effectively, and creating efficient spec files. By the end of the course, participants will have the skills to confidently work with unfamiliar codebases, focusing on testing specific behavior rather than troubleshooting test setup. The teaching method includes step-by-step guidance and practical examples using ng-mocks and other utilities. This course is intended for developers looking to enhance their unit testing skills in Angular and improve the reliability of their code.