Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at all. This claim is rhetorical nonsense.
~ Dr. Stephen Jay Gould (born: 1941-09-10 died: 2002-05-02 at age: 60)

On the contrary, it is the creationists with an untestable hypothesis. Creationism makes no predictions. There is no telling what a god will do.