increasing lighthouse timeout for ally test

package.json

@@ -33,7 +33,7 @@
     "prettier_target": "*.{js,jsx,md,json} src/**/*.{js,jsx,md,json} test/**/*.{js,jsx,md,json} docs/**/*.{js,jsx,md,json} stories/**/*.{js,jsx,md,json} cypress/**/*.{js,jsx,md,json} csp-server/**/*.{js,jsx,md,json}"
   },
   "scripts": {
-    "test:accessibility": "lighthouse http://localhost:9002/iframe.html?id=single-vertical-list--basic --chrome-flags='--headless' --output=json --output=html --output-path=./test-reports/lighthouse/a11y.json && node a11y-audit-parse.js",
+    "test:accessibility": "lighthouse http://localhost:9002/iframe.html?id=single-vertical-list--basic --chrome-flags='--headless' --output=json --startServerReadyTimeout=60000 --output-path=./test-reports/lighthouse/a11y.json && node a11y-audit-parse.js",
     "test": "jest --config ./jest.config.js",
     "test:ci": "jest test --maxWorkers=2",
     "test:browser": "cypress open",