feat(e2e): add language extension to setup

This adds a slimmed-down version of the Spanish Language Pack and also
adds a `languagepacks.json` to the e2e `workspaceDir` which allows use
to run a test suite passing the `--locale es` flags to simulate a
different display language.

Author: jsjoeio

test/e2e/extensions/ms-ceintl.vscode-language-pack-es-1.70.0/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "vscode-language-pack-es",
+  "displayName": "Spanish Language Pack for Visual Studio Code",
+  "description": "Language pack extension for Spanish",
+  "version": "1.70.0",
+  "publisher": "MS-CEINTL",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Microsoft/vscode-loc"
+  },
+  "license": "SEE MIT LICENSE IN LICENSE.md",
+  "engines": {
+    "vscode": "^1.70.0"
+  },
+  "icon": "languagepack.png",
+  "categories": [
+    "Language Packs"
+  ],
+  "contributes": {
+    "localizations": [
+      {
+        "languageId": "es",
+        "languageName": "Spanish",
+        "localizedLanguageName": "español",
+        "translations": [
+          {
+            "id": "vscode",
+            "path": "./translations/main.i18n.json"
+          }
+        ]
+      }
+    ]
+  },
+  "scripts": {
+    "update": "cd ../vscode && npm run update-localization-extension es"
+  },
+  "__metadata": {
+    "id": "47e020a1-33db-4cc0-a1b4-42f97781749a",
+    "publisherId": "0b0882c3-aee3-4d7c-b5f9-872f9be0a115",
+    "publisherDisplayName": null,
+    "targetPlatform": "undefined",
+    "isApplicationScoped": true,
+    "updated": true,
+    "isPreReleaseVersion": false,
+    "preRelease": false
+  }
+}

test/e2e/extensions/ms-ceintl.vscode-language-pack-es-1.70.0/translations/main.i18n.json

@@ -0,0 +1,24 @@
+{
+  "": [
+    "--------------------------------------------------------------------------------------------",
+    "Copyright (c) Microsoft Corporation. All rights reserved.",
+    "Licensed under the MIT License. See License.txt in the project root for license information.",
+    "--------------------------------------------------------------------------------------------",
+    "Do not edit this file. It is machine generated."
+  ],
+  "version": "1.0.0",
+  "contents": {
+    "vs/base/browser/ui/actionbar/actionViewItems": {
+      "titleLabel": "{0} ({1})"
+    },
+    "vs/workbench/contrib/files/browser/explorerViewlet": {
+      "explore": "Explorador"
+    },
+    "vs/workbench/contrib/files/browser/views/explorerDecorationsProvider": {
+      "label": "Explorador"
+    },
+    "vs/workbench/contrib/preferences/browser/settingsLayout": {
+      "fileExplorer": "Explorador"
+    }
+  }
+}

test/e2e/models/CodeServer.ts

@@ -88,6 +88,13 @@ export class CodeServer {
       }),
       "utf8",
     )
+
+    const extensionsDir = path.join(__dirname, "../extensions")
+
+    await fs.writeFile(
+      path.join(dir, "languagepacks.json"),
+      `{"es":{"hash":"8d919a946475223861fa0c62665a4c50","extensions":[{"extensionIdentifier":{"id":"ms-ceintl.vscode-language-pack-es","uuid":"47e020a1-33db-4cc0-a1b4-42f97781749a"},"version":"1.70.0"}],"translations":{"vscode":"${extensionsDir}/ms-ceintl.vscode-language-pack-es-1.70.0/translations/main.i18n.json"},"label":"español"}}`,
+    )
     return dir
   }