[BUG] Neotest not working

[TakodaS]

Field	Description
Plugin	neotest
Nixpkgs	unstable
Home Manager	unstable

• [ X] I have read the FAQ and my bug is not listed there.

Description

Minimal, Reproducible Example (MRE)

programs.nixvim = {
plugins = {
 treesitter = {
      enable = true;
      nixGrammars = true;
      grammarPackages = with pkgs.vimPlugins.nvim-treesitter.builtGrammars; [
        python
      ];
    };
    neotest = {
      enable = true;

      adapters = {
        python = {
          enable = true;

          settings = {
            args = [
              "--log-level"
              "DEBUG"
            ];
          };
        };
      };
    };
  };
}

# tests/test_foo.py
def test_foo():
    print("hello world!")

Expected:

:Neotest run and :Neotest summary should pick up test_foo

Actual

Get no tests found until I open tests/test_foo.py in which case :Neotest summary shows the correct directory stucture, but running with r gives the error ENOENT: no such file or directory.

Also posted here: nvim-neotest/neotest#474. Although I think this is an issue with neotest rather than nixvim I think it's a good idea to post this here too.