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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

## Problem statement
Write a test where an already registered user with `Username=username` and `Password=password` visits the `login` page and tries to login with `registered` credentials. The server should respond to the login request with a `200` status code.
## Expected output

# Problem statement
Write a test where an already registered user with `Username=username` and `Password=password` visits the `login` page and tries to login with `registered` credentials. The server should respond to the login request with a `200` status code.
# Expected output

Can you write a test that will respond with a 200 status code to a registered user?

Challenge: Respond to Registered User 

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

Challenge: Respond to Registered User

Problem statement

Expected output