diff --git a/tap-snapshots/test/lib/commands/audit.js.test.cjs b/tap-snapshots/test/lib/commands/audit.js.test.cjs
index 1f8e2e6c7a361..f8cee61123a6e 100644
--- a/tap-snapshots/test/lib/commands/audit.js.test.cjs
+++ b/tap-snapshots/test/lib/commands/audit.js.test.cjs
@@ -5,9 +5,38 @@
  * Make sure to inspect the output below.  Do not ignore changes!
  */
 'use strict'
+exports[`test/lib/commands/audit.js TAP audit fix > lockfile has test-dep-a@1.0.1 1`] = `
+{
+  "name": "test-dep",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "test-dep",
+      "version": "1.0.0",
+      "dependencies": {
+        "test-dep-a": "*"
+      }
+    },
+    "node_modules/test-dep-a": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/test-dep-a/-/test-dep-a-1.0.1.tgz"
+    }
+  },
+  "dependencies": {
+    "test-dep-a": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/test-dep-a/-/test-dep-a-1.0.1.tgz"
+    }
+  }
+}
+
+`
+
 exports[`test/lib/commands/audit.js TAP audit fix > must match snapshot 1`] = `
 
-added 1 package, and audited 2 packages in 120ms
+added 1 package, and audited 2 packages in xxx
 
 found 0 vulnerabilities
 `
diff --git a/test/lib/commands/audit.js b/test/lib/commands/audit.js
index 8b79b02ba6900..1afb8d333b7ce 100644
--- a/test/lib/commands/audit.js
+++ b/test/lib/commands/audit.js
@@ -6,6 +6,9 @@ const util = require('util')
 const zlib = require('zlib')
 const gzip = util.promisify(zlib.gzip)
 const path = require('path')
+const fs = require('fs')
+
+t.cleanSnapshot = str => str.replace(/packages in [0-9]+[a-z]+/g, 'packages in xxx')
 
 const tree = {
   'package.json': JSON.stringify({
@@ -114,7 +117,6 @@ t.test('audit fix', async t => {
     tap: t,
     registry: npm.config.get('registry'),
   })
-  // with fix
   const manifest = registry.manifest({
     name: 'test-dep-a',
     packuments: [{ version: '1.0.0' }, { version: '1.0.1' }],
@@ -139,6 +141,12 @@ t.test('audit fix', async t => {
     })
   await npm.exec('audit', ['fix'])
   t.matchSnapshot(joinedOutput())
+  const pkg = fs.readFileSync(path.join(npm.prefix, 'package-lock.json'), 'utf8')
+  t.matchSnapshot(pkg, 'lockfile has test-dep-a@1.0.1')
+  t.ok(
+    fs.existsSync(path.join(npm.prefix, 'node_modules', 'test-dep-a', 'fixed.txt')),
+    'has test-dep-a@1.0.1 on disk'
+  )
 })
 
 t.test('completion', async t => {
diff --git a/test/lib/commands/completion.js b/test/lib/commands/completion.js
index d4e6f1199c457..6cc1677552e8a 100644
--- a/test/lib/commands/completion.js
+++ b/test/lib/commands/completion.js
@@ -6,20 +6,19 @@ const completionScript = fs
   .readFileSync(path.resolve(__dirname, '../../../lib/utils/completion.sh'), { encoding: 'utf8' })
   .replace(/^#!.*?\n/, '')
 
-const { load: _loadMockNpm } = require('../../fixtures/mock-npm')
+const { load: loadMockNpm } = require('../../fixtures/mock-npm')
 const mockGlobals = require('../../fixtures/mock-globals')
 
 const loadMockCompletion = async (t, o = {}) => {
-  const { globals, windows, ...options } = o
+  const { globals = {}, windows, ...options } = o
   let resetGlobals = {}
-  if (globals) {
-    resetGlobals = mockGlobals(t, globals).reset
-  }
-  const res = await _loadMockNpm(t, {
-    mocks: {
-      '../../lib/utils/is-windows.js': { isWindowsShell: !!windows },
-      ...options.mocks,
-    },
+  resetGlobals = mockGlobals(t, {
+    'process.platform': windows ? 'win32' : 'posix',
+    'process.env.term': 'notcygwin',
+    'process.env.msystem': 'nogmingw',
+    ...globals,
+  }).reset
+  const res = await loadMockNpm(t, {
     ...options,
   })
   const completion = await res.npm.cmd('completion')