return {
  {
    "folke/which-key.nvim",
    optional = true,
    opts = {
      defaults = {
        ["<leader>t"] = { name = "+test" },
      },
    },
  },
  {
    "nvim-neotest/neotest",
    opts = {
      adapter_config = {
        -- ["adapter_name"] = {} -- set adapter config here
      },
      adapters = {},
    },
    config = function(_, opts)
      local neotest_ns = vim.api.nvim_create_namespace("neotest")
      vim.diagnostic.config({
        virtual_text = {
          format = function(diagnostic)
            -- Replace newline and tab characters with space for more compact diagnostics
            local message = diagnostic.message:gsub("\n", " "):gsub("\t", " "):gsub("%s+", " "):gsub("^%s+", "")
            return message
          end,
        },
      }, neotest_ns)

      if opts.adapter_config then
        for a, adapter in ipairs(opts.adapters or {}) do
          local name = adapter.name
          if opts.adapter_config[name] then
            opts.adapters[a] = adapter(opts.adapter_config[name])
          end
        end
      end

      require("neotest").setup(opts)
    end,
    -- stylua: ignore
    keys = {
      { "<leader>tr", function() require("neotest").run.run() end, desc = "Run Nearest" },
      { "<leader>tR", function() require("neotest").run.run(vim.fn.expand("%")) end, desc = "Run File" },
      { "<leader>ts", function() require("neotest").summary.toggle() end, desc = "Toggle Summary" },
      { "<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>tS", function() require("neotest").run.stop() end, desc = "Stop" },
    },
  },
  {
    "mfussenegger/nvim-dap",
    optional = true,
    -- stylua: ignore
    keys = {
      { "<leader>td", function() require("neotest").run.run({strategy = "dap"}) end, desc = "Debug Nearest" },
    },
  },
}