--- a/toolkit/modules/Sqlite.jsm
+++ b/toolkit/modules/Sqlite.jsm
@@ -1466,10 +1466,13 @@ this.Sqlite = {
   /**
    * Shutdown barrier client. May be used by clients to perform last-minute
    * cleanup prior to the shutdown of this module.
    *
    * See the documentation of AsyncShutdown.Barrier.prototype.client.
    */
   get shutdown() {
     return Barriers.shutdown.client;
-  }
+  },
+  failTestsOnAutoClose(enabled) {
+    Debugging.failTestsOnAutoClose = enabled;
+  },
 };

--- a/toolkit/modules/tests/xpcshell/test_sqlite.js
+++ b/toolkit/modules/tests/xpcshell/test_sqlite.js
@@ -28,17 +28,17 @@ function sleep(ms) {
     }, ms, timer.TYPE_ONE_SHOT);
 
   });
 }
 
 // When testing finalization, use this to tell Sqlite.jsm to not throw
 // an uncatchable `Promise.reject`
 function failTestsOnAutoClose(enabled) {
-  Cu.getGlobalForObject(Sqlite).Debugging.failTestsOnAutoClose = enabled;
+  Sqlite.failTestsOnAutoClose(enabled);
 }
 
 function getConnection(dbName, extraOptions = {}) {
   let path = dbName + ".sqlite";
   let options = {path};
   for (let [k, v] of Object.entries(extraOptions)) {
     options[k] = v;
   }