def METHOD_NAME(self, easm_endpoint, easm_resource_group, easm_subscription_id, easm_workspace):
    client = self.create_client(endpoint=easm_endpoint, resource_group=easm_resource_group, subscription_id=easm_subscription_id, workspace=easm_workspace)
    group = client.discovery_groups.get(self.known_existing_group)
    assert group['id'] == self.known_existing_group
    assert group['name'] == self.known_existing_group
    assert group['displayName'] == self.known_existing_group
    assert group['description']
    assert group['tier']
    self.check_timestamp_format(self.time_format, group['createdDate'])