public void GenerateRandomByteString() { var randomString1 = RandomUtil.GenerateRandomByteString(20); var randomString2 = RandomUtil.GenerateRandomByteString(20); Assert.DoesNotThrow(() => Convert.FromBase64String(randomString1)); Assert.DoesNotThrow(() => Convert.FromBase64String(randomString2)); Assert.That(randomString1, Is.Not.Empty); Assert.That(randomString2, Is.Not.Empty); Assert.That(randomString1, Is.Not.EqualTo(randomString2)); }