tests: clean up tests

- Move all module tests to their own directories.

- Avoid duplication of `// import`.

tests/modules/programs/browserpass/browserpass.nix

@@ -0,0 +1,35 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  config = {
+    programs.browserpass = {
+      enable = true;
+      browsers = [
+        "chrome"
+        "chromium"
+        "firefox"
+        "vivaldi"
+      ];
+    };
+
+    nmt.script =
+      if pkgs.stdenv.hostPlatform.isDarwin then ''
+        for dir in "Google/Chrome" "Chromium" "Mozilla" "Vivaldi"; do
+          assertFileExists "home-files/Library/Application Support/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
+        done
+
+        for dir in "Google/Chrome" "Chromium" "Vivaldi"; do
+          assertFileExists "home-files/Library/Application Support/$dir/policies/managed/com.github.browserpass.native.json"
+        done
+      '' else ''
+        for dir in "google-chrome" "chromium" "vivaldi"; do
+          assertFileExists "home-files/.config/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
+          assertFileExists "home-files/.config/$dir/policies/managed/com.github.browserpass.native.json"
+        done
+
+        assertFileExists "home-files/.mozilla/native-messaging-hosts/com.github.browserpass.native.json"
+      '';
+  };
+}

tests/modules/programs/browserpass/default.nix

@@ -0,0 +1,3 @@
+{
+  browserpass = ./browserpass.nix;
+}