From 496235b735add0d73d2433ddb543be8e6ef763bb Mon Sep 17 00:00:00 2001
From: Jonathan Olson <jonathan.olson@colorado.edu>
Date: Wed, 23 Nov 2022 17:54:28 -0700
Subject: [PATCH] Resolve after cleanup, see
 https://github.com/phetsims/perennial/issues/268

---
 js/grunt/phet-io/generatePhetioAPI.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/grunt/phet-io/generatePhetioAPI.js b/js/grunt/phet-io/generatePhetioAPI.js
index a311b5d9d..ccbdf9a51 100644
--- a/js/grunt/phet-io/generatePhetioAPI.js
+++ b/js/grunt/phet-io/generatePhetioAPI.js
@@ -68,6 +68,8 @@ module.exports = async ( repo, fromBuiltVersion = false ) => {
       if ( msg.text().indexOf( '"phetioFullAPI": true,' ) >= 0 ) {
 
         const fullAPI = msg.text();
+        await page.close();
+        await browser.close();
         resolve( fullAPI );
       }
 
@@ -91,6 +93,5 @@ module.exports = async ( repo, fromBuiltVersion = false ) => {
     const url = `http://localhost:${port}/${repo}/${relativePath}?ea&brand=phet-io&phetioStandalone&phetioPrintAPI`;
     page.goto( url ).catch( reject );
   } );
-  await browser.close();
   return result;
 };
\ No newline at end of file