fix(lambda-nodejs): yarn berry goes into immutable mode in CI (#17086)

Add the `--no-immutable` flag when running `yarn`. Closes #17082 ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
aws · Nov 5, 2021 · cc8dd69 · cc8dd69
1 parent 37f8a9f
commit cc8dd69
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diff --git a/packages/@aws-cdk/aws-lambda-nodejs/lib/package-manager.ts b/packages/@aws-cdk/aws-lambda-nodejs/lib/package-manager.ts
@@ -20,7 +20,7 @@ export class PackageManager {
 
   public static YARN = new PackageManager({
     lockFile: 'yarn.lock',
-    installCommand: ['yarn', 'install'],
+    installCommand: ['yarn', 'install', '--no-immutable'],
     runCommand: ['yarn', 'run'],
   });
 

diff --git a/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts b/packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts
@@ -342,7 +342,7 @@ test('Detects yarn.lock', () => {
     assetHashType: AssetHashType.OUTPUT,
     bundling: expect.objectContaining({
       command: expect.arrayContaining([
-        expect.stringMatching(/yarn\.lock.+yarn install/),
+        expect.stringMatching(/yarn\.lock.+yarn install --no-immutable/),
       ]),
     }),
   });