Mocks are simulated objects that mimic the behavior of real objects in controlled ways. OpenMRS 1.9 finally includes Mockito which is a library designated for creating mocks dynamically. In this document we will present how to use them in the context of OpenMRS. The presented code works in OpenMRS 1.9.9+.
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It means that you called initMocks using static method import in your test. The fix is simply to use MociktoAnnotations.initMocks(this) instead of initMocks(this) or remove initMocks(this) and rely on BaseContextSensitiveTest calling it.