diff --git a/experimental/packages/otlp-grpc-exporter-base/test/otlp-grpc-configuration.test.ts b/experimental/packages/otlp-grpc-exporter-base/test/otlp-grpc-configuration.test.ts
index a2e6f0f8ae8..85652af5f87 100644
--- a/experimental/packages/otlp-grpc-exporter-base/test/otlp-grpc-configuration.test.ts
+++ b/experimental/packages/otlp-grpc-exporter-base/test/otlp-grpc-configuration.test.ts
@@ -18,7 +18,7 @@ import * as sinon from 'sinon';
 import * as assert from 'assert';
 import { validateAndNormalizeUrl } from '../src/configuration/otlp-grpc-configuration';
 
-describe('validateAndNormalizeUrl()', () => {
+describe('validateAndNormalizeUrl()', function () {
   const tests = [
     {
       name: 'bare hostname should return same value',
@@ -66,7 +66,7 @@ describe('validateAndNormalizeUrl()', () => {
     },
   ];
   tests.forEach(test => {
-    it(test.name, () => {
+    it(test.name, function () {
       const diagWarn = sinon.stub(diag, 'warn');
       try {
         assert.strictEqual(validateAndNormalizeUrl(test.input), test.expected);