protected boolean tryProcess1(@Nonnull Object item) throws Exception {
        return tryProcess(1, item);
    }
@Test
    public void when_tryProcess1_then_delegatesToTryProcess() throws Exception {
        // When
        boolean done = p.tryProcess1(MOCK_ITEM);

        // Then
        assertTrue(done);
        p.validateReceptionOfItem(ORDINAL_1, MOCK_ITEM);
    }