diff --git a/src/test/VolumeRenderSettings.test.ts b/src/test/VolumeRenderSettings.test.ts
index da903de2..3759d636 100644
--- a/src/test/VolumeRenderSettings.test.ts
+++ b/src/test/VolumeRenderSettings.test.ts
@@ -2,7 +2,7 @@ import { Axis, VolumeRenderSettings } from "../VolumeRenderSettings";
 import { Vector3 } from "three";
 
 describe("VolumeRenderSettingUtils", () => {
-  test("deeply-copies bounds", () => {
+  it("deeply-copies bounds", () => {
     const s1 = new VolumeRenderSettings();
     const s1BMax = new Vector3(9.0, 9.0, 9.0);
     s1.bounds.bmax = s1BMax;
@@ -20,7 +20,7 @@ describe("VolumeRenderSettingUtils", () => {
     expect(s1.bounds.bmax.equals(s2BMax)).to.be.false;
   });
 
-  test("deeply-copies arrays", () => {
+  it("deeply-copies arrays", () => {
     const s1 = new VolumeRenderSettings();
     const glossiness = [4.0, 3.0, 1.0];
     s1.glossiness = glossiness;
@@ -37,12 +37,12 @@ describe("VolumeRenderSettingUtils", () => {
     expect(s1.glossiness).to.not.deep.equal(s2.glossiness);
   });
 
-  test("can compare against itself", () => {
+  it("can compare against itself", () => {
     const s1 = new VolumeRenderSettings();
     expect(s1.isEqual(s1)).to.be.true;
   });
 
-  test("can compare settings objects", () => {
+  it("can compare settings objects", () => {
     const s1 = new VolumeRenderSettings();
     const s2 = new VolumeRenderSettings();
 
@@ -70,7 +70,7 @@ describe("VolumeRenderSettingUtils", () => {
     expect(s1.isEqual(s4)).to.be.true;
   });
 
-  test("flags string changes", () => {
+  it("flags string changes", () => {
     const s1 = new VolumeRenderSettings();
     const s2 = new VolumeRenderSettings();