This may be rather short-sighted of Marussia, though, on the other hand there would appear to be a number of paying drivers available to take up the seat should the Brazilian's contract not be fulfilled.
Bruno Senna, a compatriot of Razia's, has a few million, though he may not want to bring them to the Marussia table.
Kamui Kobayashi also has a few quid raised in a fruitless attempt to try to keep his seat at Sauber, which was always going to the Mexican bidder.
Robert Frijns may not have Razia's cash but he can bring a couple or three millions to a drive.
The Brazilian paper Folha de S. Paulo says (via the horrible but understandable Google translator):
At least one company that has pledged to support the pilot did not deposit the money combined with Marussia...Asked if these "conflicts" were the reason the tests have been withdrawn, he was peremptory: Exactly