@Override
    synchronized boolean readyToProcess(final long wallClockTime) {
        return wrapped.readyToProcess(wallClockTime);
    }
@Test
    public void testReadyToProcess() {
        final long wallClockTime = 0L;
        when(wrapped.readyToProcess(wallClockTime)).thenReturn(true);

        synchronizedPartitionGroup.readyToProcess(wallClockTime);

        verify(wrapped, times(1)).readyToProcess(wallClockTime);
    }