From 441a30121ed080dfcf62933a43bf3ce5b5cf8769 Mon Sep 17 00:00:00 2001
From: Abinet <adebele@cisco.com>
Date: Wed, 13 Mar 2024 15:15:01 -0700
Subject: [PATCH] add removed test

---
 .../test/utils.test.ts                        | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/packages/opentelemetry-sdk-trace-web/test/utils.test.ts b/packages/opentelemetry-sdk-trace-web/test/utils.test.ts
index 442611ae6b7..b70061e489d 100644
--- a/packages/opentelemetry-sdk-trace-web/test/utils.test.ts
+++ b/packages/opentelemetry-sdk-trace-web/test/utils.test.ts
@@ -192,6 +192,27 @@ describe('utils', () => {
         assert.strictEqual(addEventSpy.callCount, 0);
       });
     });
+    describe('when entries does NOT contain the performance', () => {
+      it('should NOT add event to span', () => {
+        const addEventSpy = sinon.spy();
+        const span = {
+          addEvent: addEventSpy,
+        } as unknown as tracing.Span;
+        const entries = {
+          [PTN.FETCH_START]: 123,
+        } as PerformanceEntries;
+
+        assert.strictEqual(addEventSpy.callCount, 0);
+
+        addSpanNetworkEvent(span, 'foo', entries);
+
+        assert.strictEqual(
+          addEventSpy.callCount,
+          0,
+          'should not call addEvent'
+        );
+      });
+    });
     describe('when entries contain invalid performance timing', () => {
       it('should only add events with time greater that or equal to reference value to span', () => {
         const addEventSpy = sinon.spy();