Tests that errors to load a resource cause error messages to be logged to console. console-resource-errors-iframe.html:3 GET http://127.0.0.1:8000/inspector/missing.css 404 (Not Found) console-message console-error-level console-resource-errors-iframe.html:4 GET http://127.0.0.1:8000/inspector/non-existent-script.js 404 (Not Found) console-message console-error-level console-resource-errors.html:18 GET http://127.0.0.1:8000/inspector/non-existent-xhr 404 (Not Found)console-resource-errors.html:18 loadXHRconsole-resource-errors.html:10 performActionsVM:1 (anonymous function) InjectedScript._evaluateOn InjectedScript._evaluateAndWrap InjectedScript.evaluate console-message console-error-level non-existent-iframe.html:1 GET http://127.0.0.1:8000/inspector/non-existent-iframe.html 404 (Not Found) console-message console-error-level