public void WhenHeaderShouldNotBeSpecified_ReturnsFalse()
                {
                    var sut    = new CustomSignatureAlgorithm("hs2019");
                    var actual = sut.ShouldIncludeDateHeader();

                    actual.Should().BeFalse();
                }
                public void WhenHeaderShouldBeSpecified_ReturnsTrue(string algorithmName)
                {
                    var sut    = new CustomSignatureAlgorithm(algorithmName);
                    var actual = sut.ShouldIncludeDateHeader();

                    actual.Should().BeTrue();
                }