public void PrefixCommonScriptRuntimes_WhenGivenKnownScript_PrefixesKnownInterpreter(string extension, string interpreterExpected)
        {
            _runner = new CommandLineRunner(_log.Object, _config.Object, _fs.Object, _output);
            var script    = "script." + extension;
            var startInfo = new ProcessStartInfo {
                FileName = script
            };

            _runner.PrefixCommonScriptRuntimes(script, startInfo);

            Assert.That(startInfo.FileName, Is.EqualTo(interpreterExpected + " " + script));
        }