MM-25263 Add group members to search and get users and create getGroupStats endpoint (#14733)

Add tests for SearchInGroup

store/timer_layer.go

@@ -7444,6 +7444,22 @@ func (s *TimerLayerUserStore) SearchInChannel(channelId string, term string, opt
 	return resultVar0, resultVar1
 }
 
+func (s *TimerLayerUserStore) SearchInGroup(groupID string, term string, options *model.UserSearchOptions) ([]*model.User, *model.AppError) {
+	start := timemodule.Now()
+
+	resultVar0, resultVar1 := s.UserStore.SearchInGroup(groupID, term, options)
+
+	elapsed := float64(timemodule.Since(start)) / float64(timemodule.Second)
+	if s.Root.Metrics != nil {
+		success := "false"
+		if resultVar1 == nil {
+			success = "true"
+		}
+		s.Root.Metrics.ObserveStoreMethodDuration("UserStore.SearchInGroup", success, elapsed)
+	}
+	return resultVar0, resultVar1
+}
+
 func (s *TimerLayerUserStore) SearchNotInChannel(teamId string, channelId string, term string, options *model.UserSearchOptions) ([]*model.User, *model.AppError) {
 	start := timemodule.Now()