Bug 1956017 - add asserts to model results in perf test r=tarek

Differential Revision: https://phabricator.services.mozilla.com/D242944

toolkit/components/ml/tests/browser/browser_ml_suggest_feature_perf.js

@@ -81,6 +81,13 @@ const runInference2 = async () => {
   const numIterations = 10;
   let query = "restaurants in seattle, wa";
   let names = ["intent", "ner"];
+
+  // expected output from MLSuggest model
+  const EXPECTED_INTENT = "yelp_intent";
+  const EXPECTED_CITY = "seattle";
+  const EXPECTED_STATE = "wa";
+  const EXPECTED_SUBJECT = "restaurants";
+
   let addColdStart = false;
   for (let name of names) {
     name = name.toUpperCase();
@@ -115,6 +122,10 @@ const runInference2 = async () => {
     let memUsage = await getTotalMemoryUsage();
     intent_metrics[`${TOTAL_MEMORY_USAGE}`] = memUsage;
     ner_metrics[`${TOTAL_MEMORY_USAGE}`] = memUsage;
+    Assert.equal(res.intent, EXPECTED_INTENT);
+    Assert.equal(res.location.city, EXPECTED_CITY);
+    Assert.equal(res.location.state, EXPECTED_STATE);
+    Assert.equal(res.subject, EXPECTED_SUBJECT);
 
     for (let [metricName, metricVal] of Object.entries(intent_metrics)) {
       if (metricVal === null || metricVal === undefined || metricVal < 0) {
@@ -137,7 +148,7 @@ const runInference2 = async () => {
 };
 
 /**
- * Tests remote ML Suggest feature
+ * Tests remote ML Suggest feature performance
  */
 add_task(async function test_ml_suggest_feature() {
   await runInference2();