Migrate from vscode to vscode-test

CHANGELOG.md

@@ -50,3 +50,7 @@ Add badges to README
 
 - Tidy README
 - Add license badge
+
+## Not yet released
+
+- Migrate from `vscode` to `vscode-test` [as described on the VS Code site](https://code.visualstudio.com/api/working-with-extensions/testing-extension#migrating-from-vscode).

package.json

@@ -10,7 +10,7 @@
     },
     "license": "MIT",
     "engines": {
-        "vscode": "^1.40.0"
+        "vscode": "^1.41.0"
     },
     "categories": [
         "Programming Languages",
@@ -48,11 +48,11 @@
         "vscode:prepublish": "npm run compile",
         "compile": "tsc -p ./",
         "watch": "tsc -watch -p ./",
-        "pretest": "npm run compile",
-        "test": ""
+        "pretest": "npm run compile"
     },
     "devDependencies": {
-        "typescript": "^3.7.2",
-        "vscode": "^1.1.36"
+        "typescript": "^3.7.5",
+        "vscode-test": "^1.3.0",
+        "@types/vscode": "^1.41.0"
     }
 }