public void TransformToInfFile_WithNonExistingFileFilename_ReturnsEmptyString()
        {
            var filename = Fixture.CreateFilePath(extension: "pdf");

            FileMock.Exists(filename).Returns(false);
            var directConversion = Fixture.Create <DirectConversionBase>();

            var infFile = directConversion.TransformToInfFile(filename);

            Assert.AreEqual("", infFile);
        }