How do I define the tests per product?
If you have an analysis-set that you wish to use for multiple products, and you want to vary the tests per product, the field visibility settings if your friend.
First of all, the product field should be defined as the index-field. This is the field that is used as pivot field.
For every product you can then define which fields should be visible.
Go to Field visibility in the Management menu and select your analysis-set. Subsequently select the product you wish to manage, and select the fields to be visible.
When you insert a new result the fields are shown or hidden based on the settings in this matrix.