public function testChangePepper() { $hashOrig = \IcyApril\CryptoLib::hash("test string"); $this->assertNotEmpty($hashOrig); \IcyApril\CryptoLib::changePepper("TEST PEPPER"); $hashNew = \IcyApril\CryptoLib::hash("test string"); $this->assertNotEmpty($hashNew); $this->assertNotEquals($hashOrig, $hashNew); }