Testing of Actual Execution

Testing is any action that checks through actual execution whether a system or component behaves from the desired manner. And the reason for testing is discover that the system can be working properly. Furthermore find error. In this on the project main test are going to be unite test to find the error of the link between home page and also other page. Link test out, integration test, implementation test, usability test out etc. Testing is to find error perhaps the system is doing work properly. Are the getting work done in desire way? Could be the output is predicted.