Mockito + PowerMock LinkageError lors de la moquerie de la classe système

J'ai un tel extrait de code: @RunWith(PowerMockRunner.class) @PrepareForTest({Thread.class}) public class AllMeasuresDataTest { @Before public void setUp() throws Exception { } @Test public void testGetMeasures() { AllMeasuresData measure = new AllMeasuresData(); assertEquals(measure.getMeasures(),...