diff --git a/Specs/Cesium3DTilesTester.js b/Specs/Cesium3DTilesTester.js
index 57dca985cf6..e0f132942e8 100644
--- a/Specs/Cesium3DTilesTester.js
+++ b/Specs/Cesium3DTilesTester.js
@@ -95,10 +95,13 @@ Cesium3DTilesTester.expectRenderTileset = function (scene, tileset) {
 };
 
 Cesium3DTilesTester.waitForTilesLoaded = function (scene, tileset) {
-  return pollToPromise(function () {
-    scene.renderForSpecs();
-    return tileset.tilesLoaded;
-  }).then(function () {
+  return pollToPromise(
+    function () {
+      scene.renderForSpecs();
+      return tileset.tilesLoaded;
+    },
+    { timeout: 10000 },
+  ).then(function () {
     scene.renderForSpecs();
     return tileset;
   });
diff --git a/packages/engine/Specs/Scene/Cesium3DTilesetSpec.js b/packages/engine/Specs/Scene/Cesium3DTilesetSpec.js
index e4421659576..c898a17e2b4 100644
--- a/packages/engine/Specs/Scene/Cesium3DTilesetSpec.js
+++ b/packages/engine/Specs/Scene/Cesium3DTilesetSpec.js
@@ -53,6 +53,8 @@ import generateJsonBuffer from "../../../../Specs/generateJsonBuffer.js";
 import pollToPromise from "../../../../Specs/pollToPromise.js";
 import Ellipsoid from "../../Source/Core/Ellipsoid.js";
 
+const JASMINE_DEFAULT_TIMEOUT = jasmine.DEFAULT_TIMEOUT_INTERVAL;
+
 describe(
   "Scene/Cesium3DTileset",
   function () {
@@ -204,6 +206,7 @@ describe(
     });
 
     beforeEach(function () {
+      jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
       RequestScheduler.clearForSpecs();
       scene.morphTo3D(0.0);
 
@@ -221,6 +224,7 @@ describe(
     });
 
     afterEach(function () {
+      jasmine.DEFAULT_TIMEOUT_INTERVAL = JASMINE_DEFAULT_TIMEOUT;
       scene.verticalExaggeration = 1.0;
       scene.primitives.removeAll();
       ResourceCache.clearForSpecs();