public void MainViewModel_HandleDeleteResourceMessage_WhenHasNullResource_PerformsAction()
{
//------------Setup for test--------------------------
CreateFullExportsAndVm();
SetupForDelete();
PopupController.Setup(s => s.Show()).Returns(MessageBoxResult.Yes);
var _actionInvoked = false;
var msg = new DeleteResourcesMessage(null, "", true, () =>
{
_actionInvoked = true;
});
//------------Execute Test---------------------------
MainViewModel.Handle(msg);
//------------Assert Results-------------------------
Assert.IsFalse(_actionInvoked);
}