OSELocalSymbolBuilder implements ILocalSymbolBuilder { @Override public String buildLocalSymbol(String symbol, int expirationMonth, int expirationYear) { return ""; }  @Override String buildLocalSymbol(String symbol, int expirationMonth, int expirationYear);  }
@Test public void testBuildLocalSymbol() { OSELocalSymbolBuilder builder = new OSELocalSymbolBuilder(); assertEquals( "", builder.buildLocalSymbol("N225M", 3, 2017)); }