Test management is the process of planning, organizing, and managing the testing activities in a software development project. It is the overall process of coordinating all the testing resources, including test cases, test data, test environments, test scripts, and test results. Test management includes the following key activities:

1. Test Planning: This involves creating a test plan that outlines the objectives, scope, and schedule for the testing activities. The test plan also includes details of the testing approach, resources, and risks.
2. Test Design: This involves creating test cases, test scripts, and test data that will be used to test the software. Test design also includes identifying the test environments and tools that will be used for testing.
3. Test Execution: This involves running the tests and recording the results. Test execution also includes monitoring the progress of testing and reporting any issues that arise.
4. Test Reporting: This involves documenting and communicating the results of testing, including the number of tests run, the number of defects found, and the overall quality of the software.
5. Test Closure: This involves finalizing all testing activities and archiving the test artifacts for future reference.

Test management is an essential part of the software development life cycle, and it helps ensure that the software is of high quality and meets the requirements of the customer. It also helps to identify and resolve defects early in the development process, which can save time and money in the long run.