public void ProgramFileKind_FileExtensionForUnsupportedFileKind_ThrowsKeyNotFoundException(ProgramFileKind fileKind)
 {
     Assert.Throws <KeyNotFoundException>(() => fileKind.FileExtension());
 }
 public void ProgramFileKind_FileExtension_ReturnsCorrectFileExtension(ProgramFileKind fileKind, string expectedFileExtension)
 {
     Assert.Equal(expectedFileExtension, fileKind.FileExtension());
 }