diff --git a/Tests/TestCesium3DTileset.cs b/Tests/TestCesium3DTileset.cs
index 74c5adfc..af094e6c 100644
--- a/Tests/TestCesium3DTileset.cs
+++ b/Tests/TestCesium3DTileset.cs
@@ -126,4 +126,21 @@ public IEnumerator SampleHeightMostDetailedIndicatesNotSampledForPositionOutside
         Assert.AreEqual(result.longitudeLatitudeHeightPositions[0].y, -33.87100, 1e-12);
         Assert.AreEqual(result.longitudeLatitudeHeightPositions[0].z, 1.0, 1e-12);
     }
+
+    [UnityTest]
+    public IEnumerator SampleHeightMostDetailedFailsIfTilesetFailsToLoad()
+    {
+        GameObject go = new GameObject();
+        go.name = "Invalid";
+        Cesium3DTileset tileset = go.AddComponent<Cesium3DTileset>();
+        tileset.tilesetSource = CesiumDataSource.FromUrl;
+        tileset.url = "http://localhost/notgonnawork";
+
+        Task<CesiumSampleHeightResult> task = tileset.SampleHeightMostDetailed(new double3(151.20972, -33.87100, 1.0));
+
+        yield return new WaitForTask(task);
+
+        Assert.NotNull(task.Exception);
+        Assert.IsTrue(task.Exception.Message.Contains("failed to load"));
+    }
 }
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