Cheaper than the tanker fleets of brewing tea to test it.
No, no!! For the Brownian motion needed by the improbability drive all you need is a cup of advanced tea substitute. You can get that from any Nutrimatic Drinks Dispenser*..
Of course, if you do want real tea while you're out there, maybe those tankers of tea would come in handy..
*Available from your local Sirius Cybernetics Corporation dealer..