From 7081e868c393ace57dc364a6739228703e4b5321 Mon Sep 17 00:00:00 2001
From: Yi Lin <qinsoon@gmail.com>
Date: Mon, 19 Feb 2024 05:04:44 +0000
Subject: [PATCH] Fix function signature in MockVM

---
 src/util/test_util/mock_vm.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/util/test_util/mock_vm.rs b/src/util/test_util/mock_vm.rs
index e63d83891a..4ac620ac80 100644
--- a/src/util/test_util/mock_vm.rs
+++ b/src/util/test_util/mock_vm.rs
@@ -206,7 +206,7 @@ pub struct MockVM {
     pub post_forwarding: MockMethod<VMWorkerThread, ()>,
     pub vm_live_bytes: MockMethod<(), usize>,
     pub is_collection_enabled: MockMethod<(), bool>,
-    pub create_gc_trigger: MockMethod<(), Option<Box<dyn GCTriggerPolicy<MockVM>>>>,
+    pub create_gc_trigger: MockMethod<(), Box<dyn GCTriggerPolicy<MockVM>>>,
     // object model
     pub copy_object: MockMethod<
         (
@@ -463,7 +463,7 @@ impl crate::vm::Collection<MockVM> for MockVM {
         mock!(vm_live_bytes())
     }
 
-    fn create_gc_trigger() -> Option<Box<dyn GCTriggerPolicy<MockVM>>> {
+    fn create_gc_trigger() -> Box<dyn GCTriggerPolicy<MockVM>> {
         mock!(create_gc_trigger())
     }
 }