diff --git a/generator/test/route-sorting.js b/generator/test/route-sorting.js
index 80dc9fc1..04c171e4 100644
--- a/generator/test/route-sorting.js
+++ b/generator/test/route-sorting.js
@@ -1,5 +1,6 @@
-var assert = require("assert");
-const { sortTemplates } = require("../src/generate-template-module-connector");
+import * as assert from "assert";
+
+import { sortTemplates } from "../src/generate-template-module-connector.js";
 describe("sort", function () {
   it("purely static comes before dynamic routes", function () {
     assert.deepStrictEqual(
diff --git a/generator/test/to-route-pattern.js b/generator/test/to-route-pattern.js
index 4296b691..0c2a530a 100644
--- a/generator/test/to-route-pattern.js
+++ b/generator/test/to-route-pattern.js
@@ -1,8 +1,6 @@
-var assert = require("assert");
-const {
-  toPathPattern,
-  toPathPatterns,
-} = require("../src/route-codegen-helpers.js");
+import * as assert from "assert";
+
+import { toPathPattern, toPathPatterns } from "../src/route-codegen-helpers.js";
 
 describe("toPathPattern", function () {
   it("index is normalized", function () {