chore: fix page.pause() (microsoft#1749)

chore: fix page.pause

Author: mxschmitt

playwright/_impl/_page.py

@@ -955,7 +955,10 @@ def request(self) -> "APIRequestContext":
 
     async def pause(self) -> None:
         await asyncio.wait(
-            [self._browser_context._pause(), self._closed_or_crashed_future],
+            [
+                asyncio.create_task(self._browser_context._pause()),
+                self._closed_or_crashed_future,
+            ],
             return_when=asyncio.FIRST_COMPLETED,
         )