return {
  'neotest',
  keys = {
    { '<LEADER>t', '', desc = '+test' },
    {
      '<LEADER>tl',
      function()
        require('neotest').run.run_last()
      end,
      desc = 'run last',
    },
    {
      '<LEADER>to',
      function()
        require('neotest').output.open({ enter = true, auto_close = true })
      end,
      desc = 'show output',
    },
    {
      '<LEADER>tO',
      function()
        require('neotest').output_panel.toggle()
      end,
      desc = 'toggle output panel',
    },
    {
      '<LEADER>tr',
      function()
        require('neotest').run.run()
      end,
      desc = 'run nearest',
    },
    {
      '<LEADER>ts',
      function()
        require('neotest').summary.toggle()
      end,
      desc = 'toggle summary',
    },
    {
      '<LEADER>tS',
      function()
        require('neotest').run.stop()
      end,
      desc = 'stop tests',
    },
    {
      '<LEADER>tt',
      function()
        require('neotest').run.run(vim.fn.expand('%'))
      end,
      desc = 'run file tests',
    },
    {
      '<LEADER>tT',
      function()
        require('neotest').run.run(vim.uv.cwd())
      end,
      desc = 'run all tests',
    },
    {
      '<LEADER>tw',
      function()
        require('neotest').watch.toggle(vim.fn.expand('%'))
      end,
      desc = 'toggle watch',
    },
  },
  before = function()
    require('lz.n').trigger_load({
      'nvim-nio',
      'plenary.nvim',
      'nvim-treesitter',
    })
  end,
  after = function()
    local neotest_ns = vim.api.nvim_create_namespace('neotest')
    vim.diagnostic.config({
      virtual_text = {
        format = function(diagnostic)
          -- Replace newline/tab chars with spaces.
          return diagnostic.message
            :gsub('\n', ' ')
            :gsub('\t', ' ')
            :gsub('%s+', ' ')
            :gsub('^%s+', ' ')
        end,
      },
    }, neotest_ns)

    local consumers = {}
    -- Refresh and auto-close trouble after running tests.
    local has_trouble, _ = pcall(require, 'trouble')
    if has_trouble then
      ---@type neotest.Consumer
      consumers.trouble = function(client)
        client.listeners.results = function(adapter_id, results, partial)
          if partial then
            return
          end

          local tree =
            assert(client:get_position(nil, { adapter = adapter_id }))

          local failed = 0
          for pos_id, result in pairs(results) do
            if result.status == 'failed' and tree:get_key(pos_id) then
              failed = failed + 1
            end
          end

          vim.schedule(function()
            local trouble = require('trouble')

            if trouble.is_open() then
              trouble.refresh()

              if failed == 0 then
                trouble.close()
              end
            end
          end)
        end

        return {}
      end
    end

    require('neotest').setup({
      status = { virtual_text = true },
      output = { virtual_text = true },

      quickfix = {
        open = function()
          if has_trouble then
            require('trouble').open({ mode = 'quickfix', focus = false })
          else
            vim.cmd('copen')
          end
        end,
      },

      consumers = consumers,
    })
  end,
}