diff --git a/src/lib/checkpoint/cp_mgr.cpp b/src/lib/checkpoint/cp_mgr.cpp
index 1c8d31810..ad6e3efdb 100644
--- a/src/lib/checkpoint/cp_mgr.cpp
+++ b/src/lib/checkpoint/cp_mgr.cpp
@@ -275,7 +275,7 @@ void CPManager::start_cp_thread() {
     auto ctx = std::make_shared< Context >();
 
     // Start a reactor with 9 fibers (8 for sync io)
-    iomanager.create_reactor("cp_io", iomgr::INTERRUPT_LOOP, 8u, [this, &ctx](bool is_started) {
+    iomanager.create_reactor("cp_io", iomgr::INTERRUPT_LOOP, 8u, [this, ctx](bool is_started) {
         if (is_started) {
             {
                 std::unique_lock< std::mutex > lk{ctx->mtx};
diff --git a/src/lib/homestore.cpp b/src/lib/homestore.cpp
index 37213b0d8..8486fc44d 100644
--- a/src/lib/homestore.cpp
+++ b/src/lib/homestore.cpp
@@ -240,7 +240,7 @@ void HomeStore::shutdown() {
 
     if (has_index_service()) {
         m_index_service->stop();
-        //        m_index_service.reset();
+        // m_index_service.reset();
     }
 
     if (has_log_service()) {
@@ -258,6 +258,10 @@ void HomeStore::shutdown() {
     m_dev_mgr->close_devices();
     m_dev_mgr.reset();
 
+#ifdef _PRERELEASE
+    flip::Flip::instance().stop_rpc_server();
+#endif
+
     HomeStore::reset_instance();
     LOGINFO("Homestore is completed its shutdown");
 }
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 08ebab778..a9752a3ef 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -72,8 +72,9 @@ if (${io_tests})
     set(TEST_INDEXBTREE_SOURCE_FILES test_index_btree.cpp)
     add_executable(test_index_btree ${TEST_INDEXBTREE_SOURCE_FILES})
     target_link_libraries(test_index_btree homestore ${COMMON_TEST_DEPS} GTest::gtest)
-    # add_test(NAME IndexBtree COMMAND test_index_btree)
-    # set_property(TEST IndexBtree PROPERTY ENVIRONMENT "ASAN_OPTIONS=detect_stack_use_after_return=true")
+    add_test(NAME IndexBtree COMMAND test_index_btree)
+    set_property(TEST IndexBtree PROPERTY ENVIRONMENT "ASAN_OPTIONS=detect_stack_use_after_return=true")
+    set_tests_properties(IndexBtree PROPERTIES TIMEOUT 600)
 
     add_executable(test_data_service)
     target_sources(test_data_service PRIVATE test_data_service.cpp)
diff --git a/src/tests/test_index_btree.cpp b/src/tests/test_index_btree.cpp
index fcda6fd9c..eb4028fc4 100644
--- a/src/tests/test_index_btree.cpp
+++ b/src/tests/test_index_btree.cpp
@@ -120,7 +120,7 @@ struct BtreeTest : public BtreeTestHelper< TestType >, public ::testing::Test {
     }
 };
 
-using BtreeTypes = testing::Types< FixedLenBtree, VarKeySizeBtree, VarValueSizeBtree, VarObjSizeBtree >;
+using BtreeTypes = testing::Types< FixedLenBtree /* , VarKeySizeBtree, VarValueSizeBtree, VarObjSizeBtree */ >;
 
 TYPED_TEST_SUITE(BtreeTest, BtreeTypes);