public void ExistsEncodingFileTest()
{
//Arrange
_fileSystem.Setup(m => m.PathCombine(NewTempPath, TempFileManager.EncodingFile)).Returns(TempFilePath);
_fileSystem.Setup(m => m.FileExists(TempFilePath)).Returns(true);
//Act
var isExist = _tempFileManager.ExistsEncodingFile();
//Assert
Assert.AreEqual(true, isExist);
}