Fix Chrome on CI

scripts/run-all-browsers

@@ -3,6 +3,7 @@
 run_browser() {
 	browser=$1
 	version=$2
+	os="$3"
 	description="$browser $version"
 	if [ $version = "latest" ]; then
 		version=""
@@ -12,7 +13,7 @@ run_browser() {
 	echo
 	echo "Running $description"
 	echo
-	USE_SAUCE=true JASMINE_BROWSER=$browser SAUCE_BROWSER_VERSION=$version npm run ci
+	USE_SAUCE=true JASMINE_BROWSER=$browser SAUCE_BROWSER_VERSION=$version SAUCE_OS="$os" npm run ci
 
 	if [ $? -eq 0 ]; then
 		echo "PASS: $description" >> "$passfile"
@@ -23,7 +24,17 @@ run_browser() {
 
 passfile=`mktemp -t jasmine-results.XXXXXX` || exit 1
 failfile=`mktemp -t jasmine-results.XXXXXX` || exit 1
-run_browser chrome latest
+
+# As of 2023-09-30, Sauce Connect doesn't work with the latest Chrome version
+# on the default Linux. Run on Mac OS instead. The OS specification may need to
+# be updated or removed when new Chrome versions stop being available on Mac OS
+# 12, although historically this has taken several major OS versions.
+# See <https://saucelabs.com/products/supported-browsers-devices>.
+# On Saucelabs, the test suite frequently runs ~30s slower on Mac OS than it
+# does on Linux, so it's probably worth removing the OS specification once Sauce
+# Connect works with Chrome latest on Linux again.
+run_browser chrome latest "macOS 12"
+
 run_browser firefox latest
 run_browser firefox 115
 run_browser firefox 102