diff --git a/tests/specs/future/runtime_api/__test__.jsonc b/tests/specs/future/runtime_api/__test__.jsonc
new file mode 100644
index 0000000000..71a724d895
--- /dev/null
+++ b/tests/specs/future/runtime_api/__test__.jsonc
@@ -0,0 +1,7 @@
+{
+  "args": "run main.js",
+  "output": "main.out",
+  "envs": {
+    "DENO_FUTURE": "1"
+  }
+}
diff --git a/tests/specs/future/runtime_api/main.js b/tests/specs/future/runtime_api/main.js
new file mode 100644
index 0000000000..c310467d3a
--- /dev/null
+++ b/tests/specs/future/runtime_api/main.js
@@ -0,0 +1 @@
+console.log("window is", globalThis.window);
diff --git a/tests/specs/future/runtime_api/main.out b/tests/specs/future/runtime_api/main.out
new file mode 100644
index 0000000000..50818f11cb
--- /dev/null
+++ b/tests/specs/future/runtime_api/main.out
@@ -0,0 +1 @@
+window is undefined