Fix pretest hook for clean repo

Author: award999

Diff for: package.json

@@ -1275,7 +1275,7 @@
     "watch": "tsc --watch",
     "lint": "eslint ./ --ext ts && tsc --noEmit",
     "format": "prettier --check *.json src test",
-    "pretest": "npm run compile && del-cli ./assets/test/**/.build && tsc -p ./",
+    "pretest": "npm run compile-tests && del-cli ./assets/test/**/.build && tsc -p ./",
     "test": "vscode-test",
     "integration-test": "npm test -- --label integrationTests",
     "unit-test": "npm test -- --label unitTests",