diff --git a/src/test/crimson/seastore/onode_tree/test_fltree_onode_manager.cc b/src/test/crimson/seastore/onode_tree/test_fltree_onode_manager.cc
index 732e2125652..1895bbe8e57 100644
--- a/src/test/crimson/seastore/onode_tree/test_fltree_onode_manager.cc
+++ b/src/test/crimson/seastore/onode_tree/test_fltree_onode_manager.cc
@@ -84,26 +84,24 @@ struct fltree_onode_manager_test_t
   virtual FuturizedStore::mkfs_ertr::future<> _mkfs() final {
     return TMTestState::_mkfs(
     ).safe_then([this] {
-      return tm->mount(
-      ).safe_then([this] {
-	return repeat_eagain([this] {
-	  return seastar::do_with(
-	    create_mutate_transaction(),
-	    [this](auto &ref_t) {
-	      return with_trans_intr(*ref_t, [&](auto &t) {
-		return manager->mkfs(t
-		).si_then([this, &t] {
-		  return submit_transaction_fut2(t);
-		});
-	      });
-	  });
-	});
-      }).safe_then([this] {
-	return tm->close();
-      }).handle_error(
-	crimson::ct_error::assert_all{"Invalid error in _mkfs"}
-      );
-    });
+      return restart_fut();
+    }).safe_then([this] {
+      return repeat_eagain([this] {
+        return seastar::do_with(
+          create_mutate_transaction(),
+          [this](auto &ref_t)
+        {
+          return with_trans_intr(*ref_t, [&](auto &t) {
+            return manager->mkfs(t
+            ).si_then([this, &t] {
+              return submit_transaction_fut2(t);
+            });
+          });
+        });
+      });
+    }).handle_error(
+      crimson::ct_error::assert_all{"Invalid error in _mkfs"}
+    );
   }
 
   template <typename F>
diff --git a/src/test/crimson/seastore/transaction_manager_test_state.h b/src/test/crimson/seastore/transaction_manager_test_state.h
index 842dada24cb..1a8a310afec 100644
--- a/src/test/crimson/seastore/transaction_manager_test_state.h
+++ b/src/test/crimson/seastore/transaction_manager_test_state.h
@@ -39,32 +39,38 @@ protected:
   }
 
   virtual void _init() = 0;
-  void init() {
-    _init();
-  }
 
   virtual void _destroy() = 0;
-  void destroy() {
-    _destroy();
+  virtual seastar::future<> _teardown() = 0;
+  seastar::future<> teardown() {
+    return _teardown().then([this] {
+      _destroy();
+    });
   }
 
-  virtual seastar::future<> _teardown() = 0;
+
   virtual FuturizedStore::mkfs_ertr::future<> _mkfs() = 0;
   virtual FuturizedStore::mount_ertr::future<> _mount() = 0;
 
-  void restart() {
-    LOG_PREFIX(EphemeralTestState::restart);
+  seastar::future<> restart_fut() {
+    LOG_PREFIX(EphemeralTestState::restart_fut);
     SUBINFO(test, "begin ...");
-    _teardown().get0();
-    destroy();
-    segment_manager->remount();
-    for (auto &sec_sm : secondary_segment_managers) {
-      sec_sm->remount();
-    }
-    init();
-    _mount().handle_error(crimson::ct_error::assert_all{}).get0();
-    SUBINFO(test, "finish");
+    return teardown().then([this] {
+      segment_manager->remount();
+      for (auto &sec_sm : secondary_segment_managers) {
+        sec_sm->remount();
+      }
+      _init();
+      return _mount().handle_error(crimson::ct_error::assert_all{});
+    }).then([FNAME] {
+      SUBINFO(test, "finish");
+    });
   }
+
+  void restart() {
+    restart_fut().get0();
+  }
+
   seastar::future<> segment_setup()
   {
     LOG_PREFIX(EphemeralTestState::segment_setup);
@@ -96,28 +102,18 @@ protected:
             segment_manager::get_ephemeral_device_config(cnt, get_num_devices()));
         });
       });
-    }).safe_then([this, FNAME] {
-      init();
-      return _mkfs(
-      ).safe_then([this] {
-	return _teardown();
-      }).safe_then([this] {
-	destroy();
-	segment_manager->remount();
-	for (auto &sec_sm : secondary_segment_managers) {
-	  sec_sm->remount();
-	}
-	init();
-	return _mount();
-      }).handle_error(
-	crimson::ct_error::assert_all{}
-      ).then([FNAME] {
-	SUBINFO(test, "finish");
-      });
+    }).safe_then([this] {
+      _init();
+      return _mkfs();
+    }).safe_then([this] {
+      return restart_fut();
     }).handle_error(
       crimson::ct_error::assert_all{}
-    );
+    ).then([FNAME] {
+      SUBINFO(test, "finish");
+    });
   }
+
   seastar::future<> randomblock_setup()
   {
     auto config =
@@ -148,7 +144,7 @@ protected:
   seastar::future<> tm_teardown() {
     LOG_PREFIX(EphemeralTestState::tm_teardown);
     SUBINFO(test, "begin");
-    return _teardown().then([this, FNAME] {
+    return teardown().then([this, FNAME] {
       segment_manager.reset();
       for (auto &sec_sm : secondary_segment_managers) {
         sec_sm.reset();
@@ -192,6 +188,7 @@ protected:
   virtual void _destroy() override {
     epm = nullptr;
     lba_manager = nullptr;
+    cache = nullptr;
     tm.reset();
   }
 
@@ -387,9 +384,7 @@ protected:
   }
 
   virtual seastar::future<> _teardown() final {
-    return seastore->umount().then([this] {
-      seastore.reset();
-    });
+    return seastore->umount();
   }
 
   virtual FuturizedStore::mount_ertr::future<> _mount() final {