try fix

tests/fixtures/immutable-install/yarn.lock

@@ -0,0 +1,26 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 8
+  cacheKey: 10c0
+
+"a@npm:0.0.0, a@workspace:a":
+  version: 0.0.0-use.local
+  resolution: "a@workspace:a"
+  languageName: unknown
+  linkType: soft
+
+"b@workspace:b":
+  version: 0.0.0-use.local
+  resolution: "b@workspace:b"
+  dependencies:
+    a: "npm:0.0.0"
+  languageName: unknown
+  linkType: soft
+
+"root-workspace-0b6124@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "root-workspace-0b6124@workspace:."
+  languageName: unknown
+  linkType: soft

tests/index.js

@@ -1111,7 +1111,7 @@ async function testImmutableInstall() {
 
     // first run an install without `immutable` to prime the fixture
     // with all the generated files
-    await install({root, cwd: root, verbose: true});
+    await install({root, cwd: root});
 
     try {
       await install({root, cwd: root, immutable: true});