assertEquals("Concurrent access to command state.", ExecCommand.EXECUTING, tState);
assertTrue("Concurrent access to command state.", (tState == ExecCommand.EXECUTING || tState == ExecCommand.FINISHED));
    public void testEnterExecuting()    {        readPointID = ExecCommand.LOCK_ACQUIRED_BY_ENTER_EXECUTING;        target.run();          threads.awaitAltFlow();        assertEquals("Concurrent access to command state.",                 ExecCommand.EXECUTING, tState);    }