Delve into front-end testing principles, learn best practices for writing enduring tests, and discover strategies for E2E testing and integration into CI pipelines. Gain actionable testing insights.

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This course will provide you with important information, principles, and experience-based advice, to enter the world of testing methodologies. 

Here, you will learn the best practices to follow to write useful and lasting tests, how to test different user flows without a working back-end, how to write effective end-to-end tests (E2E), and how to integrate tests into development and Continuous Integration pipelines.

At the end of the course, you will be able to apply the fundamental principles of the test methodologies to understand what and how to test effectively.

Front-end Testing 101: Integration and End-to-end Testing

Sometimes we have to test something that relies on time intervals or timeouts. This typeof wait can slow down our test suite which is not ideal. While testing timeouts, remember that Cypress allows you to control the clock. For example,  we might want to show the user a particular message if the registration AJAX requests take more than two seconds. Take a look at the next test.

# Test
> Note: You can see the Cypress UI better by opening the link next to **Your app can be found at:**



Let's learn how to control the clock in the Cypress.

Controlling the Clock

Introduction

E2E Testing

The First E2E Test

Polishing the E2E test

Ajax Requests

Custom Commands

UI Integration Tests

Other Best Practices

Bonus Section

Conclusion

Appendix

Controlling the Clock