public void IsNormalFileTest()
 {
     if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
     {
         Assert.False(FileSupport.IsNormalFile(_fixture.HiddenFilePath));
     }
     Assert.False(FileSupport.IsNormalFile(_fixture.TestDir));
     Assert.True(FileSupport.IsNormalFile(_fixture.WritableFilePath));
 }