diff --git a/tests/legacy-cli/e2e/tests/misc/dedupe-duplicate-modules.ts b/tests/legacy-cli/e2e/tests/misc/dedupe-duplicate-modules.ts
index 142fd28425ac..399015e2dbb9 100644
--- a/tests/legacy-cli/e2e/tests/misc/dedupe-duplicate-modules.ts
+++ b/tests/legacy-cli/e2e/tests/misc/dedupe-duplicate-modules.ts
@@ -31,6 +31,7 @@ export default async function () {
 
     const { stderr } = await ng('build', '--verbose', '--no-vendor-chunk', '--no-progress');
     if (!/\[DedupeModuleResolvePlugin\]:.+tslib-1-copy -> .+tslib-1/.test(stderr)) {
+        console.error(`\n\n\n${stderr}\n\n\n`);
         throw new Error('Expected stderr to contain [DedupeModuleResolvePlugin] log for tslib.');
     }