Steps to reproduce:

1. Open dashboard with a time selector.
2. Select specific time period in the time period selector or select time range on a graph
3. Observe that dashboard was refreshed to match selected time range.

Result:

URL was not changed.

Expected:
It is expected that the URL would contain time period for the following reasons:

1. Being able to share link with the specific view.
2. Being able to use browser navigation like back / forward to return to the previous view.