Which one of these methods makes the ADT emulator a testing device?

Android AND-403 Question Answer

Which one of these methods makes the ADT emulator a testing device? Note that “request” is an instance of class AdRequest.

request.addTestDevice(AdRequest.TEST_DEVICE);

request.addDevice(AdRequest.TEST_EMULATOR);

request.addTestDevice(AdRequest.TEST_EMULATOR);

request.makeTestRequest();

AND-403 PDF/Engine

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