Sensor at top of view and in group

Configuration
1

I would like to be able to show a (important) sensor at the top of a view and also inside a group in that view. When I add the sensor to a (any) group, it will NEVER show outside a group.

Is this possible at all? Should I create a dummy sensor with a template?

This is my sample configuration:

group:
  test_group:
    entities:
      - sensor.important
      - sensor.other
      - sensor.something
  test_view:
    view: yes
    entities:
      - sensor.important
      - group.test_group