Bus: Tests cleanup (#46025)

* Delete unused bus from usagestats

* Few updates to remove bus from searchusers test

* Fix import

pkg/api/common_test.go

@@ -229,16 +229,16 @@ func setupAccessControlScenarioContext(t *testing.T, cfg *setting.Cfg, url strin
 	cfg.IsFeatureToggleEnabled = features.IsEnabled
 	cfg.Quota.Enabled = false
 
-	bus := bus.GetBus()
+	mockStore := sqlstore.InitTestDB(t)
 	hs := &HTTPServer{
 		Cfg:                cfg,
-		Bus:                bus,
+		Bus:                bus.GetBus(),
 		Live:               newTestLive(t),
 		Features:           features,
 		QuotaService:       &quota.QuotaService{Cfg: cfg},
 		RouteRegister:      routing.NewRouteRegister(),
 		AccessControl:      accesscontrolmock.New().WithPermissions(permissions),
-		searchUsersService: searchusers.ProvideUsersService(bus, filters.ProvideOSSSearchUserFilter()),
+		searchUsersService: searchusers.ProvideUsersService(mockStore, filters.ProvideOSSSearchUserFilter()),
 		ldapGroups:         ldap.ProvideGroupsService(),
 	}
 
@@ -349,8 +349,6 @@ func setupHTTPServerWithCfg(t *testing.T, useFakeAccessControl, enableAccessCont
 	db := sqlstore.InitTestDB(t)
 	db.Cfg = cfg
 
-	bus := bus.GetBus()
-
 	dashboardsStore := dashboardsstore.ProvideDashboardStore(db)
 
 	routeRegister := routing.NewRouteRegister()
@@ -358,12 +356,12 @@ func setupHTTPServerWithCfg(t *testing.T, useFakeAccessControl, enableAccessCont
 	hs := &HTTPServer{
 		Cfg:                cfg,
 		Features:           features,
-		Bus:                bus,
+		Bus:                bus.GetBus(),
 		Live:               newTestLive(t),
 		QuotaService:       &quota.QuotaService{Cfg: cfg},
 		RouteRegister:      routeRegister,
 		SQLStore:           db,
-		searchUsersService: searchusers.ProvideUsersService(bus, filters.ProvideOSSSearchUserFilter()),
+		searchUsersService: searchusers.ProvideUsersService(db, filters.ProvideOSSSearchUserFilter()),
 		dashboardService:   dashboardservice.ProvideDashboardService(dashboardsStore, nil),
 	}