/**
  * @test
  */
 public function I_got_everything_empty_or_zeroed_from_empty_new_levels()
 {
     $professionLevels = new ProfessionLevels($zeroLevel = $this->createZeroLevel(), $firstLevel = $this->createFirstLevel(Fighter::FIGHTER));
     self::assertSame(0, $professionLevels->getNextLevelsStrengthModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Strength::STRENGTH));
     self::assertSame(0, $professionLevels->getNextLevelsAgilityModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Agility::AGILITY));
     self::assertSame(0, $professionLevels->getNextLevelsKnackModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Knack::KNACK));
     self::assertSame(0, $professionLevels->getNextLevelsWillModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Will::WILL));
     self::assertSame(0, $professionLevels->getNextLevelsIntelligenceModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Intelligence::INTELLIGENCE));
     self::assertSame(0, $professionLevels->getNextLevelsCharismaModifier());
     self::assertSame(0, $professionLevels->getNextLevelsPropertyModifier(Charisma::CHARISMA));
     self::assertCount(0, $professionLevels->getProfessionNextLevels());
     self::assertEquals([$zeroLevel, $firstLevel], $professionLevels->getSortedProfessionLevels());
     $levelsFromIteration = [];
     foreach ($professionLevels as $professionLevel) {
         $levelsFromIteration[] = $professionLevel;
     }
     self::assertEquals($levelsFromIteration, $professionLevels->getSortedProfessionLevels());
     self::assertNull($professionLevels->getId());
 }