Development Testing is a crucial phase in the software development process which involves evaluating software during or at the end of the development process to ensure compliance with the specified requirements. Coursera's Development Testing catalogue teaches you about the methods and practices used to validate the quality of the software. You'll learn about different levels of testing such as unit testing, integration testing, system testing, and acceptance testing. The catalogue also covers testing strategies, automation testing, performance testing and the use of testing tools. Take your understanding of software quality assurance a step further by understanding how to write test cases, identifying bugs, and learning about test-driven development environments.