Set up isolate in CFXJS_Engine's constructor

testing/js_embedder_test.cpp

Index: testing/js_embedder_test.cpp
diff --git a/testing/js_embedder_test.cpp b/testing/js_embedder_test.cpp
index f7aa7e38f741eb6813e371819ce6c63fecefe018..125d2bff3ec2c47dbf7f8d8af0040438d2132215 100644
--- a/testing/js_embedder_test.cpp
+++ b/testing/js_embedder_test.cpp
@@ -21,8 +21,7 @@ void JSEmbedderTest::SetUp() {
   v8::Isolate::Scope isolate_scope(m_pIsolate);
   v8::HandleScope handle_scope(m_pIsolate);
   FXJS_PerIsolateData::SetUp(m_pIsolate);
-  m_Engine.reset(new CFXJS_Engine);
-  m_Engine->SetIsolate(m_pIsolate);
+  m_Engine.reset(new CFXJS_Engine(m_pIsolate));
   m_Engine->InitializeEngine();
 }