From ea36d1a1174bcbd4516976e34adbd7015243dc9d Mon Sep 17 00:00:00 2001
From: Levi Pesin <35454228+LeviPesin@users.noreply.github.com>
Date: Tue, 14 Feb 2023 19:35:26 +1030
Subject: [PATCH] Puppeteer E2E test: Fail if all Chromium snaphots are
 unaccessible (#25503)

---
 test/e2e/puppeteer.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/test/e2e/puppeteer.js b/test/e2e/puppeteer.js
index 0e251fec7c5061..951022447bd167 100644
--- a/test/e2e/puppeteer.js
+++ b/test/e2e/puppeteer.js
@@ -275,13 +275,21 @@ async function downloadLatestChromium() {
 	const revisions = await ( await fetch( OMAHA_PROXY ) ).json();
 	const omahaRevisionInfo = revisions.find( revs => revs.os === os ).versions.find( version => version.channel === chromiumChannel );
 
-	let revision = omahaRevisionInfo.branch_base_position;
-	while ( ! ( await browserFetcher.canDownload( revision ) ) ) {
+	let revision = Number( omahaRevisionInfo.branch_base_position );
+	while ( ! ( await browserFetcher.canDownload( String( revision ) ) ) && revision > 0 ) {
 
-		revision = String( revision - 1 );
+		revision --;
 
 	}
 
+	if ( revision === 0 ) {
+
+		throw new Error( 'No Chromium snapshots available to download' );
+
+	}
+
+	revision = String( revision );
+
 	let revisionInfo = browserFetcher.revisionInfo( revision );
 	if ( revisionInfo.local === true ) {