diff --git a/packages/perseus/src/widgets/expression/expression.test.tsx b/packages/perseus/src/widgets/expression/expression.test.tsx
index 3a35cdaa96..d0e102f4dd 100644
--- a/packages/perseus/src/widgets/expression/expression.test.tsx
+++ b/packages/perseus/src/widgets/expression/expression.test.tsx
@@ -17,7 +17,10 @@ import {
     expressionItemWithLabels,
 } from "./expression.testdata";
 
-import type {PerseusItem} from "../../perseus-types";
+import type {
+    PerseusExpressionWidgetOptions,
+    PerseusItem,
+} from "../../perseus-types";
 import type {UserEvent} from "@testing-library/user-event";
 
 const renderAndAnswer = async (
@@ -535,9 +538,7 @@ describe("Expression Widget", function () {
                 value: "42",
             };
 
-            const result = ExpressionWidgetExport.propUpgrades["1"](v0props);
-
-            expect(result).toEqual({
+            const expected: PerseusExpressionWidgetOptions = {
                 times: false,
                 buttonSets: ["basic"],
                 functions: [],
@@ -549,7 +550,11 @@ describe("Expression Widget", function () {
                         value: "42",
                     },
                 ],
-            });
+            };
+
+            const result = ExpressionWidgetExport.propUpgrades["1"](v0props);
+
+            expect(result).toEqual(expected);
         });
     });
 });
diff --git a/packages/perseus/src/widgets/measurer/measurer.test.tsx b/packages/perseus/src/widgets/measurer/measurer.test.tsx
index c55c786209..70ec179f24 100644
--- a/packages/perseus/src/widgets/measurer/measurer.test.tsx
+++ b/packages/perseus/src/widgets/measurer/measurer.test.tsx
@@ -1,5 +1,7 @@
 import MeasurerWidgetExport from "./measurer";
 
+import type {PerseusMeasurerWidgetOptions} from "../../perseus-types";
+
 describe("measurer", () => {
     describe("propUpgrades", () => {
         it("can upgrade from v0 to v1", () => {
@@ -17,9 +19,7 @@ describe("measurer", () => {
                 static: false,
             };
 
-            const result = MeasurerWidgetExport.propUpgrades["1"](v0props);
-
-            expect(result).toEqual({
+            const expected: PerseusMeasurerWidgetOptions = {
                 image: {
                     url: "url",
                     top: 42,
@@ -33,7 +33,11 @@ describe("measurer", () => {
                 rulerLength: 4,
                 box: [4, 4],
                 static: false,
-            });
+            };
+
+            const result = MeasurerWidgetExport.propUpgrades["1"](v0props);
+
+            expect(result).toEqual(expected);
         });
     });
 });
diff --git a/packages/perseus/src/widgets/radio/__tests__/radio.test.ts b/packages/perseus/src/widgets/radio/__tests__/radio.test.ts
index 0eb7393801..02b8b72a32 100644
--- a/packages/perseus/src/widgets/radio/__tests__/radio.test.ts
+++ b/packages/perseus/src/widgets/radio/__tests__/radio.test.ts
@@ -18,7 +18,10 @@ import {
     shuffledNoneQuestion,
 } from "./radio.testdata";
 
-import type {PerseusRenderer} from "../../../perseus-types";
+import type {
+    PerseusRadioWidgetOptions,
+    PerseusRenderer,
+} from "../../../perseus-types";
 import type {APIOptions} from "../../../types";
 import type {PerseusRadioUserInput} from "../../../validation.types";
 import type {UserEvent} from "@testing-library/user-event";
@@ -992,12 +995,14 @@ describe("propsUpgrade", () => {
             choices: [{content: "Choice 1"}, {content: "Choice 2"}],
         };
 
-        const result = RadioWidgetExport.propUpgrades["1"](v0props);
-
-        expect(result).toEqual({
+        const expected: PerseusRadioWidgetOptions = {
             choices: [{content: "Choice 1"}, {content: "Choice 2"}],
             hasNoneOfTheAbove: false,
-        });
+        };
+
+        const result = RadioWidgetExport.propUpgrades["1"](v0props);
+
+        expect(result).toEqual(expected);
     });
 
     it("throws from noneOfTheAbove", () => {