Add testsEnvironment: false to .wp-env.json to suppress warnings

Co-authored-by: dd32 <767313+dd32@users.noreply.github.com>

Author: Copilot

.wp-env.json

@@ -2,5 +2,6 @@
     "plugins": ["."],
     "mappings": {
         "wp-cli.yml": "./wp-cli.yml"
-    }
+    },
+    "testsEnvironment": false
 }