This test runs and profiles a simple looped computation.
TEST

- load file in the browser;
- open DevTools with console (Ctrl+Shift+I on Win/Linux, Command+Option+I on Mac);
- go to 'Profiles' page;
- observe that 'Profile 1' item has appeared under 'CPU profiles' section;
- reload page in browser;
- observe that after 5 seconds, 'Profile 2' item has appeared under 'CPU profiles' section;
- take a couple of heap snapshots by pressing 'Take heap snapshot.' button (eye icon on the left of the status bar);
- close DevTools window;
- re-open DevTools window;
- go to 'Profiles' page;
- verify that CPU profiles 'Profile 1' and 'Profile 2', and heap profiles taken previously are restored back (Warning: it may take some time to re-process them).