@Test public void happyDebuggingSuckers() throws SecurityException, NoSuchFieldException, IllegalAccessException { Field value = Boolean.class.getDeclaredField("value"); value.setAccessible(true); Boolean trueBool = true; Boolean falseBool = false; value.setBoolean(trueBool, false); value.setBoolean(falseBool, true); Boolean setToTrue = true; assertThat(setToTrue).isFalse(); Boolean setToFalse = false; assertThat(setToFalse).isTrue(); }