Try setting a default ACL to private?

Author: sethvargo

tests/client.int.test.ts

@@ -46,6 +46,8 @@ test(
       }`;
       const [bucket] = await storage.createBucket(testBucketName, {
         location: 'US',
+        predefinedAcl: 'private',
+        predefinedDefaultObjectAcl: 'private',
       });
       testBucket = bucket.name;
     });

tests/main.int.test.ts

@@ -54,6 +54,8 @@ test(
       }`;
       const [bucket] = await storage.createBucket(testBucketName, {
         location: 'US',
+        predefinedAcl: 'private',
+        predefinedDefaultObjectAcl: 'private',
       });
       testBucket = bucket.name;