public void test_builder_noLabel() {
BeanBuilder<? extends FxVolatilitySurfaceYearFractionParameterMetadata> builder =
FxVolatilitySurfaceYearFractionParameterMetadata.meta().builder();
Pair<Double, Strike> pair = Pair.of(TIME_TO_EXPIRY, STRIKE);
builder.set(FxVolatilitySurfaceYearFractionParameterMetadata.meta().currencyPair(), CURRENCY_PAIR);
builder.set(FxVolatilitySurfaceYearFractionParameterMetadata.meta().yearFraction(), TIME_TO_EXPIRY);
builder.set(FxVolatilitySurfaceYearFractionParameterMetadata.meta().strike(), STRIKE);
FxVolatilitySurfaceYearFractionParameterMetadata test = builder.build();
assertEquals(test.getCurrencyPair(), CURRENCY_PAIR);
assertEquals(test.getIdentifier(), pair);
assertEquals(test.getLabel(), Pair.of(TIME_TO_EXPIRY, STRIKE.getLabel()).toString());
assertEquals(test.getStrike(), STRIKE);
assertEquals(test.getYearFraction(), TIME_TO_EXPIRY);
}