1. A method of testing a memory device within a computing system, wherein a plurality of applications are executable by at least one processor of the computing system, the method comprising: performing a first memory test on the memory device; detecting, from the first memory test, at least one error in a memory unit of the memory device; in response to the detecting, performing acts to verify the at least one error comprising: preventing at least one of the plurality of applications from accessing the memory unit; performing a second memory test on the memory unit; determining, from the second memory test, whether the at least one error is successfully verified; and if the at least one error is successfully verified, identifying the memory unit as defective.