DebtCharacteristic characteristic = result.characteristicByKey("MEMORY_EFFICIENCY");
assertThat(characteristic.key()).isEqualTo("MEMORY_EFFICIENCY");
assertThat(characteristic.name()).isEqualTo("Memory use");
assertThat(characteristic.isSub()).isFalse();
assertThat(characteristic.order()).isEqualTo(1);
DebtCharacteristic subCharacteristic = result.characteristicByKey("EFFICIENCY");
assertThat(subCharacteristic.key()).isEqualTo("EFFICIENCY");
assertThat(subCharacteristic.name()).isEqualTo("Efficiency");
assertThat(subCharacteristic.isSub()).isTrue();