Bind selenium to the js objects

[duker33]

We suffer from the lack of frontend tests for a long time.
Right now we can't dev async counters mech with TDD, so it's hot task for now and important for the codebase future

[duker33]

close it to get money at Oct

[duker33]

the base problem is to read js var value from selenium webdriver.
That's example how it can be solved without the new mech in a whole