Error on test case annotated with @WithMockUser on application extend Spring Security User class

1. 1Extend the Spring Security User class to create a custom user details class
2. 2Annotate the test class with @WithMockUser to enable mock user authentication
3. 3Configure the mock user credentials and authorities in the test class
4. 4Run the test case and verify that the mock user is authenticated correctly
5. 5Debug the test case to identify and resolve any errors that occur during execution

Developers working with Spring Security and JUnit tests will benefit from this article, as it provides a solution to a common error encountered when using @WithMockUser annotation.

💡 Extending the Spring Security User class is necessary to use @WithMockUser annotation correctly

🚀 Resolve errors on test cases using @WithMockUser by extending Spring Security User class! #SpringSecurity #JUnit