test: force lazy rendering in e2e env so the lazy-render spec exercises the delayed script loader

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: lucadobrescu

.wp-env.json

@@ -5,6 +5,9 @@
     "."
   ],
   "themes": [],
+  "mappings": {
+    "wp-content/mu-plugins/visualizer-e2e-force-lazy-render.php": "./tests/e2e/config/force-lazy-render.php"
+  },
   "config": {
     "WP_DEBUG": true,
     "WP_DEBUG_LOG": true,

tests/e2e/config/force-lazy-render.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * E2E test helper (loaded as an mu-plugin via .wp-env.json).
+ *
+ * Charts created through the quick wizard have no `lazy_load_chart` setting,
+ * so force lazy rendering on the frontend to exercise the delayed script
+ * loader in lazy-render.spec.js. Elementor previews are unaffected: the
+ * widget force-disables lazy rendering with the same filter during render.
+ */
+add_filter( 'visualizer_lazy_load_chart', '__return_true' );

tests/e2e/specs/lazy-render.spec.js

@@ -24,7 +24,8 @@ test.describe( 'Lazy rendered charts (frontend)', () => {
 	} );
 
 	async function createChartOnPost( admin, page, requestUtils ) {
-		// New charts have lazy rendering enabled by default.
+		// Lazy rendering is forced on by tests/e2e/config/force-lazy-render.php
+		// (mapped as an mu-plugin in .wp-env.json).
 		const chartId = await createChartWithAdmin( admin, page );
 
 		const post = await requestUtils.createPost( {