{ system ? builtins.currentSystem , config ? {} , pkgs ? import ../.. { inherit system config; } , channelMap ? { # Maps "channels" to packages stable = pkgs.chromium; beta = pkgs.chromiumBeta; dev = pkgs.chromiumDev; ungoogled = pkgs.ungoogled-chromium; chrome-stable = pkgs.google-chrome; chrome-beta = pkgs.google-chrome-beta; chrome-dev = pkgs.google-chrome-dev; } }: with import ../lib/testing-python.nix { inherit system pkgs; }; with pkgs.lib; let user = "alice"; startupHTML = pkgs.writeText "chromium-startup.html" ''