@Test
public void testCreateBadSymbol() {

    //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("Bad symbol create", result);
    
    Set<String> keys = result.keySet();
    assertTrue("Bad symbol create", keys.contains("bogusstock"));

}