diff --git a/test/cctest/test_environment.cc b/test/cctest/test_environment.cc
index 8d22e14e000227..aee8e795ecb6ab 100644
--- a/test/cctest/test_environment.cc
+++ b/test/cctest/test_environment.cc
@@ -85,7 +85,6 @@ TEST_F(EnvironmentTest, AtExitWithArgument) {
   EXPECT_EQ(arg, cb_1_arg);
 }
 
-/*
 TEST_F(EnvironmentTest, MultipleEnvironmentsPerIsolate) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
@@ -101,7 +100,6 @@ TEST_F(EnvironmentTest, MultipleEnvironmentsPerIsolate) {
   RunAtExit(*env2);
   EXPECT_TRUE(called_cb_2);
 }
-*/
 
 static void at_exit_callback1(void* arg) {
   called_cb_1 = true;