@Test
    public void testMultipleNonTXTransactionalEntityManagerInvocations() throws Exception {
        Exception error = null;
        SFSB1 sfsb1 = lookup("SFSB1", SFSB1.class);
        sfsb1.createEmployee("Kelly Smith", "Watford, England", 10);
        sfsb1.createEmployee("Alex Scott", "London, England", 20);
        sfsb1.getEmployeeNoTX(10);
        sfsb1.getEmployeeNoTX(20);

        DataSource ds = rawLookup("java:jboss/datasources/ExampleDS", DataSource.class);
        Connection conn = ds.getConnection();
        int deleted = conn.prepareStatement("delete from Employee").executeUpdate();

        // verify that delete worked (or test is invalid)
        assertTrue("was able to delete added rows.  delete count=" + deleted, deleted > 1);

        // read deleted data from second level cache
        Employee emp = sfsb1.getEmployeeNoTX(10);

        assertTrue("was able to read deleted database row from second level cache", emp != null);
    }