After building the piston the piston will not fire but in the logs it shows it fired and tests ok?
The best location to post for webcore help is the webcore forum
They will ask you to post an image of your piston by clicking the green camera icon on the piston which generates an image. and a copy of your logs that the piston generates. You can enable the logs for the piston by selecting full logging level below the piston.
Show us the screenshot of your Piston.
He has posted over on the WC forum
Going there. Thanks man.