Running playwright tests

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I currently use this shell.nix for JS:

{ pkgs ? import <nixpkgs> {} }:
  pkgs.mkShell {
    buildInputs = [
      pkgs.nodejs-18_x
      pkgs.playwright
    ];

    PLAYWRIGHT_BROWSERS_PATH="${pkgs.playwright-driver.browsers}";
  }

Note that there is no playwright.browsers anymore, now it’s playwright-driver.browsers (see Build failure: playwright · Issue #215450 · NixOS/nixpkgs · GitHub).

I can then do a playwright open nixos.org, but I can’t run tests with npm or run a visual studio code instance for testing with the playwright extension. It always tells me to install the browsers with npx playwright install.