If you upgrade to 5.x.x version. I assume you are using java 11.

@22838leo  That worked. Thanks a lot for that finding. Appreciate your help. Please post the errors you are getting too here, so we get an idea of other errors

@22838leo  Thanks for that update Leo. Does that mean you didn't upgrade any of the other maven dependencies as in the above post like mockito or jnuit, than just this one to fix the issue? Let me try that and will update here

Seems like you are not using Field setter methods in your test class and hence no failure.

@DPrakashRaj  That is good that worked for you. But can you confirm if you have aem context used in any of your junit classes to set objects? I tried with the same versions as you pinged above, but the failure is the same as below. I think the below class is deprecated.Please find my test class belo...

@Teja_G  Yes. this was done and there was no success.

@kautuk_sahni  I am not sure you got a chance to check through my full comments. This issue is still open and build is a failure after SP19. I was able to progress with some changes in dependencies, but it is back to the same state with errors. Do you have insights into any customers did SP19 upgrad...

@DPrakashRaj  I was able to progress a bit further with that error by creating a reflection class inside the class instead of using internal method as below, but still build is a failure and came back to original errors. Please find details below. We also opened a ticket with Adobe for the build iss...

@DPrakashRaj  Yes. Like I commented above using 4.9.0 now since I found mockito 5 and above doesn't work for java8, but still lot of errors as below and working through it 

@Teja_G  If you have been following my above comments. That didn't work and also mockito 5.0.0 and above will noy work for java 8