test: add snap test to verify vp lint skips plugin loading

Author: fengmk2

packages/cli/snap-tests/vite-plugins-skip-on-lint/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "vite-plugins-skip-on-lint-test",
+  "private": true
+}

packages/cli/snap-tests/vite-plugins-skip-on-lint/snap.txt

@@ -0,0 +1,4 @@
+> # Test that vp lint does not load plugins (the plugin throws if loaded)
+> vp lint src/
+Found 0 warnings and 0 errors.
+Finished in <variable>ms on 1 file with <variable> rules using <variable> threads.

packages/cli/snap-tests/vite-plugins-skip-on-lint/src/index.ts

@@ -0,0 +1 @@
+export const foo = 'bar';

packages/cli/snap-tests/vite-plugins-skip-on-lint/steps.json

@@ -0,0 +1,6 @@
+{
+  "commands": [
+    "# Test that vp lint does not load plugins (the plugin throws if loaded)",
+    "vp lint src/"
+  ]
+}

packages/cli/snap-tests/vite-plugins-skip-on-lint/vite.config.ts

@@ -0,0 +1,9 @@
+import { defineConfig, vitePlugins } from 'vite-plus';
+
+export default defineConfig({
+  plugins: [
+    vitePlugins(() => {
+      throw new Error('Plugins should not be loaded during lint');
+    }),
+  ],
+});