Start QtCreator on MaxOS and create a new QtQuick 2 project "Test".
Leave the project without any custom code.
Start it: "Hello World" is displayed.
Make a release version and a deployment step containing "macdeployqt Test.app"
Start the deployed Test.app/Contents/MacOS/Test from a terminal session.

The application is terminated with the message:

"Test.app/Contents/Resources/qml/Test/main.qml:1:1: module "QtQuick" is not installed
import QtQuick 2.0
^
"