Feedback on stressing

[mfornet]

While stressing a solution give feedback to the user.

• Show changing tests in real time. Change layout to display tests. Change layout back when finish.
• Show test number in the status bar.

[Salil03]

Maybe use this: https://github.com/microsoft/vscode-extension-samples/tree/master/progress-sample

[Salil03]

We could use oj command to handle stressing. It has a test case generator and it would also show feedback