These has been confusing for me for a while. here is what i read and understood, which gave me a handle of it.
In B201, Owner is required to provide tests and inspections, which makes sense.
In A201, Contractor is required to do test and inspection per Contract doc, but if there are tests and inspections that come after the award of the Contract, owner pays for it.
Note: CBC requires owner to pay for special inspections.
hope i don't miss interpreting anything.