testing nvm usage

appveyor.yml

@@ -1,24 +1,23 @@
 image:
-  - Visual Studio 2019
-  - Visual Studio 2022
-  # - macos-monterey
+  - Ubuntu2204
+  - macos-monterey
 
 environment:
   DOTNET_CLI_TELEMETRY_OPTOUT: 1
   matrix:
     # node.js
     # - nodejs: "21"
-    - nodejs: "20"
+    # - nodejs: "20"
     # - nodejs: "18"
-    # - nodejs: "16"
+    - nodejs: "16"
 
 install:
   - sh: if [ "$APPVEYOR_BUILD_WORKER_IMAGE" = 'Ubuntu2204' ]; then sudo apt-get -qq update && sudo apt-get -y -qq install build-essential libgconf-2-4 python3 libglib2.0-dev; fi
   # - cmd: powershell .\appveyor.ps1  
   - cmd: powershell Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs) x64
   - sh: nvm ls
-  - sh: nvm install $nodejs
-  - sh: nvm use $nodejs
+  - sh: nvm use $nodejs || nvm install $nodejs
+  # - sh: nvm use $nodejs
   - cmd: node -v && npm -v && dotnet --version
   - sh: node -v && npm -v && dotnet --version
   - npm install -q
@@ -67,5 +66,4 @@ skip_commits:
 build: off
 
 cache:
-  - '%APPDATA%\npm-cache -> package.json' # npm cache
   - node_modules -> package.json