Changes

diff --git a/mcp/firefox-rdp/src/page_scripts.py b/mcp/firefox-rdp/src/page_scripts.py
index 4b6b910..b1af543 100644
--- a/mcp/firefox-rdp/src/page_scripts.py
+++ b/mcp/firefox-rdp/src/page_scripts.py
@@ -20,7 +20,7 @@ def _wrapped(body: str) -> str:
 
 def _wrappedAsync(body: str) -> str:
     return (
-        "(async () => { try { " + body
+        "await (async () => { try { " + body
         + " } catch (error) { return JSON.stringify({ok:false,error:{"
         + "code:'javascript_error',message:String(error && "
         + "error.message || error)}}); } })()"
diff --git a/mcp/firefox-rdp/tests/manual_firefox_smoke.py b/mcp/firefox-rdp/tests/manual_firefox_smoke.py
index beb5233..09eb7c6 100644
--- a/mcp/firefox-rdp/tests/manual_firefox_smoke.py
+++ b/mcp/firefox-rdp/tests/manual_firefox_smoke.py
@@ -156,6 +156,15 @@ async def runSmoke(firefox_binary: str) -> dict[str, object]:
         actor_id = await waitForTab(rdp, interaction_url)
         browser = BrowserSession(config, rdp)
         await browser.selectTab(tab_id=actor_id)
+        javascript = await browser.runJavaScript(
+            "document.title",
+            config.request_timeout_ms,
+        )
+        if javascript != {
+            "result": "Interaction fixture",
+            "result_type": "string",
+        }:
+            raise AssertionError("JavaScript result did not match the title.")
         webdriver = await rdp.evaluateJson(
             browser.selected_tab.console_actor_id,
             "(() => JSON.stringify({ok:true,value:{webdriver:"
@@ -236,6 +245,7 @@ async def runSmoke(firefox_binary: str) -> dict[str, object]:
             raise AssertionError("File assignment submitted the fixture form.")
         return {
             "navigator_webdriver": False,
+            "ran_javascript": True,
             "filled_and_typed": True,
             "pressed_key": True,
             "clicked": True,
diff --git a/mcp/firefox-rdp/tests/test_page_scripts.py b/mcp/firefox-rdp/tests/test_page_scripts.py
index 5a6e7a5..a4725c1 100644
--- a/mcp/firefox-rdp/tests/test_page_scripts.py
+++ b/mcp/firefox-rdp/tests/test_page_scripts.py
@@ -80,6 +80,7 @@ class PageScriptsTest(unittest.TestCase):
         self.assertIn("const result = await operation();", script)
         self.assertIn("result_type:resultType", script)
         self.assertIn("code:'javascript_error'", script)
+        self.assertTrue(script.startswith("await (async () =>"))
 
 
 if __name__ == "__main__":