public void Delete_File()
{
string fileName = "testFile";
IActionResult actionResult = _nodeController.DeleteFile(fileName);
OkObjectResult ok = actionResult as OkObjectResult;
Assert.NotNull(ok);
State state = ok.Value as State;
Assert.NotNull(state);
Assert.True(state.IsSuccess);
Assert.False(_nodeService.FileExist(fileName));
Assert.True(_nodeService.TryGetBlockInfo(fileName, 0, out var info));
Assert.True(_nodeService.TryGetBlockInfo(fileName, 1, out var info2));
string filePath = $"{_nodeConfiguration.RootPath}\\{_nodeConfiguration.NodeName}\\{fileName}";
Assert.False(Directory.Exists(filePath));
}