Clangd Snippet Support Not Working

[saadparwaiz1]

• Please read through this section before posting a bug report.

My testing minimal init.vim Post your init.vim to help me reproduce this issue

let g:completion_enable_snippet = 'snippets.nvim'
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
require('lspconfig').clangd.setup {
  on_attach = require 'completion'.on_attach,
 capabilities = capabilities
}

How to reproduce Open up a C file and try to use one of the macro snippets as follows: https://user-images.githubusercontent.com/73385353/104222673-88822900-543a-11eb-9004-e98899862b02.mov

Expected behaviour Proper snippet completion