## Is your feature request related to a problem?

I want to run experiments on groups

## Describe the solution you'd like

Experiments support group target metrics, and the FF respects group selection.


## Describe alternatives you've considered

No groups :(

## Additional context



#### *Thank you* for your feature request – we love each and every one!

ee/clickhouse/views/test/test_clickhouse_experiments.py
response = self.client.delete(f"/api/projects/{self.team.id}/feature_flags/{created_ff.pk}/")
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertFalse(FeatureFlag.objects.filter(pk=created_ff.pk).exists())
        with self.assertRaises(Experiment.DoesNotExist):
            Experiment.objects.get(pk=id)
class ClickhouseTestFunnelExperimentResults(ClickhouseTestMixin, APILicensedTest):
    @snapshot_clickhouse_queries
    def test_experiment_flow_with_event_results(self):
        journeys_for(
            {
                "person1": [
                    {"event": "$pageview", "timestamp": "2020-01-02", "properties": {"$feature/a-b-test": "test"},},
                    {"event": "$pageleave", "timestamp": "2020-01-04", "properties": {"$feature/a-b-test": "test"},},
                ],
                "person2": [
                    {"event": "$pageview", "timestamp": "2020-01-03", "properties": {"$feature/a-b-test": "control"}},
                    {"event": "$pageleave", "timestamp": "2020-01-05", "properties": {"$feature/a-b-test": "control"}},
                ],
                "person3": [
                    {"event": "$pageview", "timestamp": "2020-01-04", "properties": {"$feature/a-b-test": "control"}},
                    {"event": "$pageleave", "timestamp": "2020-01-05", "properties": {"$feature/a-b-test": "control"}},
                ],
                
                "person_out_of_control": [
                    {"event": "$pageview", "timestamp": "2020-01-03",},
                    {"event": "$pageleave", "timestamp": "2020-01-05",},
                ],
                "person_out_of_end_date": [
                    {"event": "$pageview", "timestamp": "2020-08-03", "properties": {"$feature/a-b-test": "control"}},