@SuppressWarnings("checkstyle:magicnumber")
    protected boolean tryProcess4(@Nonnull Object item) throws Exception {
        return tryProcess(4, item);
    }
@Test
    public void when_tryProcess4_then_delegatesToTryProcess() throws Exception {
        // When
        boolean done = p.tryProcess4(MOCK_ITEM);

        // Then
        assertTrue(done);
        p.validateReceptionOfItem(ORDINAL_4, MOCK_ITEM);
    }