diff --git a/tests/_helpers/playwright.ts b/tests/_helpers/playwright.ts
index 0f5aec43f4..b8e1952313 100644
--- a/tests/_helpers/playwright.ts
+++ b/tests/_helpers/playwright.ts
@@ -1,4 +1,10 @@
-import type { Browser, ConsoleMessage, Page, Request, Response } from "npm:playwright@1.61.1";
+import type {
+  Browser,
+  ConsoleMessage,
+  Page,
+  Request,
+  Response as PlaywrightResponse,
+} from "npm:playwright@1.61.1";
 import { fromFileUrl } from "#veryfront/compat/path/index.ts";
 export { findHydrationOrCspFailures } from "../../src/testing/browser-diagnostics.mjs";
 
@@ -260,7 +266,7 @@ export async function navigateBrowserPage(
   url: string,
   diagnostics: BrowserDiagnostics,
   serverLogs: string[],
-): Promise<Response | null> {
+): Promise<PlaywrightResponse | null> {
   const pending = new Set<Request>();
   const responses: { url: string; status: number }[] = [];
   const failed: { url: string; error: string | undefined }[] = [];
@@ -268,7 +274,7 @@ export async function navigateBrowserPage(
     if (pending.size < 100) pending.add(request);
   };
   const onFinished = (request: Request) => pending.delete(request);
-  const onResponse = (response: Response) => {
+  const onResponse = (response: PlaywrightResponse) => {
     if (responses.length < 100) {
       responses.push({ url: response.url().slice(0, 2048), status: response.status() });
     }
diff --git a/tests/integration/ci/node-executor-coverage.test.ts b/tests/integration/ci/node-executor-coverage.test.ts
index 224ff4cf7e..91bfb7d0f6 100644
--- a/tests/integration/ci/node-executor-coverage.test.ts
+++ b/tests/integration/ci/node-executor-coverage.test.ts
@@ -54,23 +54,24 @@ describe("native executor source coverage", () => {
       "export function positiveOnly() {\n  return 1;\n}\nexport function negativeOnly() {\n  return 0;\n}\nexport function target(value: number) {\n  if (value > 0) return positiveOnly();\n  return negativeOnly();\n}\n",
     );
     try {
-      const groups = [];
       for (const [index, value] of [1, -1].entries()) {
         const file = `${directory}/${index}.test.mjs`;
         await Deno.writeTextFile(
           file,
           `import { test } from "node:test"; import { target } from "./source.ts"; test("owned", () => { target(${value}); });`,
         );
-        groups.push({ testFiles: [file], pattern: "", expectedTests: 1 });
       }
       const wrapper = `${directory}/wrapper.test.mjs`;
       await Deno.writeTextFile(
         wrapper,
-        `import { test } from "node:test"; import { runNativeCoverageGroups } from ${
-          JSON.stringify(`${root}/scripts/test/coverage-node-executor.mjs`)
-        }; test("collect", async () => { await runNativeCoverageGroups(${JSON.stringify(root)}, ${
-          JSON.stringify(groups)
-        }); });`,
+        [
+          'import { test } from "node:test";',
+          'import { fileURLToPath } from "node:url";',
+          'import { runNativeCoverageGroups } from "../../scripts/test/coverage-node-executor.mjs";',
+          'const root = fileURLToPath(new URL("../../", import.meta.url));',
+          'const groups = [0, 1].map((index) => ({ testFiles: [fileURLToPath(new URL(`./${index}.test.mjs`, import.meta.url))], pattern: "", expectedTests: 1 }));',
+          'test("collect", async () => { await runNativeCoverageGroups(root, groups); });',
+        ].join("\n"),
       );
       const output = await new Deno.Command("node", {
         args: buildNativeCoverageArgs({
@@ -133,10 +134,11 @@ describe("native executor source coverage", () => {
         'import { spawnSync } from "node:child_process";',
         'import process from "node:process";',
         'import assert from "node:assert/strict";',
+        'import { fileURLToPath } from "node:url";',
         'test("executes child source", () => {',
-        `  const result = spawnSync(process.execPath, ["--enable-source-maps", "--import", ${
-          JSON.stringify(`${root}/tests/node/resolver.mjs`)
-        }, ${JSON.stringify(child)}], {`,
+        '  const resolver = fileURLToPath(new URL("../../tests/node/resolver.mjs", import.meta.url));',
+        '  const child = fileURLToPath(new URL("./child.ts", import.meta.url));',
+        '  const result = spawnSync(process.execPath, ["--enable-source-maps", "--import", resolver, child], {',
         '    env: { NODE_V8_COVERAGE: process.env.NODE_V8_COVERAGE }, encoding: "utf8",',
         "  });",
         "  assert.equal(result.status, 0, result.stderr);",