feat(cockpit/test): add tasks for unit and integration tests

This commits adds automated (unit) testing and tools to
run integration (e2e) from grunt.

Related: CAM-1713
fix(cockpit/quick filter): fix the quick filter by name

This commit fixes search by instance name text field was not working
when the states filter is not present.

Related: CAM-1874
fix(cockpit/dashboard): fix the missing state circle