diff --git a/packages/cli/test/new.test.js b/packages/cli/test/new.test.js
index b76cabc..6daf923 100644
--- a/packages/cli/test/new.test.js
+++ b/packages/cli/test/new.test.js
@@ -1,24 +1,26 @@
-import { expect, test, vi } from "vitest";
+import { beforeAll, expect, test, vi } from "vitest";
 import { exportedForTest } from "../commands/new.mjs";
 import { execSync } from "node:child_process";
 
 const testFn = exportedForTest.createNew;
+const baseCommand = `npm create mcfly@latest`
+
+beforeAll(() => {
+  vi.mock('node:child_process');
+})
 
 test("execute create mcfly", () => {
-  const command = `npm create mcfly@latest`
   const param = {stdio: 'inherit'}
-  vi.mock('node:child_process');
 
   testFn({dir: undefined})
 
-  expect(execSync).toHaveBeenCalledWith(command, param)
+  expect(execSync).toHaveBeenCalledWith(baseCommand, param)
 })
 
 test("execute create mcfly with no dir", () => {
   const dir = 'fake-dir'
-  const command = `npm create mcfly@latest ${dir}`
+  const command = `${baseCommand} ${dir}`
   const param = {stdio: 'inherit'}
-  vi.mock('node:child_process');
 
   testFn({dir: undefined})
 
@@ -27,9 +29,8 @@ test("execute create mcfly with no dir", () => {
 
 test("execute create mcfly with dir", () => {
   const dir = 'fake-dir'
-  const command = `npm create mcfly@latest ${dir}`
+  const command = `${baseCommand} ${dir}`
   const param = {stdio: 'inherit'}
-  vi.mock('node:child_process');
 
   testFn({dir})
 
@@ -38,9 +39,8 @@ test("execute create mcfly with dir", () => {
 
 test("execute create mcfly with _dir", () => {
   const dir = 'fake-dir'
-  const command = `npm create mcfly@latest ${dir}`
+  const command = `${baseCommand} ${dir}`
   const param = {stdio: 'inherit'}
-  vi.mock('node:child_process');
 
   testFn({_dir: dir})
 
@@ -49,9 +49,8 @@ test("execute create mcfly with _dir", () => {
 
 test("execute create mcfly with dir preferred over _dir", () => {
   const dir = 'preferred-dir'
-  const command = `npm create mcfly@latest ${dir}`
+  const command = `${baseCommand} ${dir}`
   const param = {stdio: 'inherit'}
-  vi.mock('node:child_process');
 
   testFn({dir: dir, _dir: 'not-preferred'})