skip extension for browser mocks

Author: kettanaito

exercises/03.best-practices/03.problem.network-mocking/README.mdx

@@ -196,7 +196,7 @@ You want MSW up and running _in every test_ so you can take advantage of its req
 
 ```ts filename=test-extend.ts add=19
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker

exercises/03.best-practices/03.solution.network-mocking/test-extend.ts

@@ -1,5 +1,5 @@
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker

exercises/03.best-practices/04.problem.element-presence/test-extend.ts

@@ -1,5 +1,5 @@
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker

exercises/03.best-practices/04.solution.element-presence/test-extend.ts

@@ -1,5 +1,5 @@
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker

exercises/03.best-practices/05.problem.page-navigation/test-extend.ts

@@ -1,5 +1,5 @@
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker

exercises/03.best-practices/05.solution.page-navigation/test-extend.ts

@@ -1,5 +1,5 @@
 import { test as testBase } from 'vitest'
-import { worker } from './src/mocks/browser.js'
+import { worker } from './src/mocks/browser'
 
 type TestContext = {
 	worker: typeof worker