* Modify e2e test 'InstallCheByOperatorHub' to run both Che and Crw
* Add new constant to 'TestConstants'
* Add new method to 'DriverHelper'
* Do refactoring methods in 'OcpWebConsolePage'
* Create e2e test to install Eclipse Che by OperatorHub UI
* Implement log into CHE in multiuser mode
* Create page object to OCP web console
* Add new constants
* Implemented log into OCP