Index: test/BaseJsTest.cpp
===================================================================
--- a/test/BaseJsTest.cpp
+++ b/test/BaseJsTest.cpp
@@ -29,11 +29,12 @@
   jsEngine->SetLogSystem(std::make_shared<ThrowingLogSystem>());
   jsEngine->SetFileSystem(std::make_shared<ThrowingFileSystem>());
   jsEngine->SetWebRequest(std::make_shared<ThrowingWebRequest>());
+  engine = ToInternal(jsEngine);
 }
 
 void BaseJsTest::TearDown()
 {
-  ToInternal(jsEngine)->WaitForQuietScheduler();
+  engine->WaitForQuietScheduler();
   EXPECT_EQ(1, jsEngine.use_count());
   jsEngine.reset();
 }