@Test
public void testSaveBadSymbol2() {

    //Thus symbol is not alphanumeric and is not a suitable argument.
    String symbol = "";

    
    Map<String, String> result = persistence.createSymbol(symbol);

    //Symbol data is returned, but its a bogus.    
    assertNotNull("Save Bad Symbol 2", result);
    
    Set<String> keys = result.keySet();
    assertTrue("Save Bad Symbol 2", keys.contains("bogusstock"));

    //try to save bad symbol, it should not be persisted
    persistence.saveSymbol(symbol);
    
    assertFalse("Save Bad Symbol 2", persistence.getSymbols().contains(symbol));
}