Add thresholds for failing test

Author: alexeyr

k6/lib/util.js

@@ -10,6 +10,7 @@ const envToBoolean = (envVar) => {
  * @param {boolean} [inScenario=isBrowser] Is this used as `scenarios: { <scenarioName>: defaultOptions(...) }`?
  * @param {boolean} [isBrowser=false] Is this a browser test?
  * @param {boolean} [isDebug=env.DEBUG_K6] Are we running in debug mode?
+ * @param {import('k6/options').Options} [otherOptions] Other options to merge in
  * @return {import('k6/options').Options}
  * */
 export const defaultOptions = ({
@@ -18,16 +19,25 @@ export const defaultOptions = ({
   // Browser tests options can only be set inside `scenarios`
   // https://grafana.com/docs/k6/latest/using-k6-browser/
   inScenario = isBrowser,
+  ...otherOptions
 } = {}) => {
+  const thresholds = {
+    checks: ['rate>0.90'],
+    http_req_failed: ['rate<0.05'],
+  };
   const baseOptions = isDebug
     ? {
         vus: 1,
         iterations: 1,
         httpDebug: inScenario ? undefined : 'full',
+        thresholds,
+        ...otherOptions,
       }
     : {
         vus: 10,
         duration: '30s',
+        thresholds,
+        ...otherOptions,
       };
   if (inScenario) {
     // See https://github.com/grafana/k6-learn/blob/main/Modules/III-k6-Intermediate/08-Setting-load-profiles-with-executors.md