1 files changed, 10 insertions, 16 deletions
diff --git a/deps/npm/test/lib/root.js b/deps/npm/test/lib/root.js
index 5460f3d4985..7b91654c6c9 100644
--- a/deps/npm/test/lib/root.js
+++ b/deps/npm/test/lib/root.js
@@ -1,19 +1,13 @@
 const t = require('tap')
+const { real: mockNpm } = require('../fixtures/mock-npm')
 
-t.test('root', (t) => {
-  t.plan(3)
-  const dir = '/root/dir'
-
-  const Root = require('../../lib/root.js')
-  const root = new Root({
-    dir,
-    output: (output) => {
-      t.equal(output, dir, 'prints the correct directory')
-    },
-  })
-
-  root.exec([], (err) => {
-    t.error(err, 'npm root')
-    t.ok('should have printed directory')
-  })
+t.test('prefix', async (t) => {
+  const { joinedOutput, command, npm } = mockNpm(t)
+  await npm.load()
+  await command('root')
+  t.equal(
+    joinedOutput(),
+    npm.dir,
+    'outputs npm.dir'
+  )
 })