diff --git a/packages/pnpm/test/cli.ts b/packages/pnpm/test/cli.ts
index 7662fa0cb3..287df2f35c 100644
--- a/packages/pnpm/test/cli.ts
+++ b/packages/pnpm/test/cli.ts
@@ -18,7 +18,7 @@ test('some commands pass through to npm', () => {
   const result = execPnpmSync(['dist-tag', 'ls', 'is-positive'])
 
   expect(result.status).toBe(0)
-  expect(result.stdout.toString()).not.toMatch(/Usage: pnpm [command] [flags]/)
+  expect(result.stdout.toString()).not.toContain('Usage: pnpm [command] [flags]')
 })
 
 test('installs in the folder where the package.json file is', async () => {
diff --git a/packages/read-project-manifest/test/index.ts b/packages/read-project-manifest/test/index.ts
index b3031b637a..fb6a296a56 100644
--- a/packages/read-project-manifest/test/index.ts
+++ b/packages/read-project-manifest/test/index.ts
@@ -118,8 +118,8 @@ test('fail on invalid JSON', async () => {
 
   expect(err).toBeTruthy()
   expect(err['code']).toBe('ERR_PNPM_JSON_PARSE')
-  // eslint-disable-next-line
-  expect(err.message).toMatch(/^Unexpected string in JSON at position 20 while parsing \'{  "name": "foo"  "version": "1.0.0"}\' in /)
+
+  expect(err.message).toContain('Unexpected string in JSON at position 20 while parsing \'{  "name": "foo"  "version": "1.0.0"}\' in ')
 })
 
 test('fail on invalid JSON5', async () => {