[MM-15356] Migrate "Channel.Update" to Sync by default (#10815)

api4/scheme_test.go

@@ -410,9 +410,8 @@ func TestGetChannelsForScheme(t *testing.T) {
 	assert.Zero(t, len(l2))
 
 	channel1.SchemeId = &scheme1.Id
-	result2 := <-th.App.Srv.Store.Channel().Update(channel1)
-	assert.Nil(t, result2.Err)
-	channel1 = result2.Data.(*model.Channel)
+	channel1, err := th.App.Srv.Store.Channel().Update(channel1)
+	assert.Nil(t, err)
 
 	l3, r3 := th.SystemAdminClient.GetChannelsForScheme(scheme1.Id, 0, 100)
 	CheckNoError(t, r3)