diff --git a/tests/test_streaming.py b/tests/test_streaming.py
index baee54e..6f9d18c 100644
--- a/tests/test_streaming.py
+++ b/tests/test_streaming.py
@@ -79,33 +79,36 @@ async def stream_from_single_subactor(
 
                 seq = range(10)
 
-                async with portal.open_stream_from(
-                    stream_func,
-                    sequence=list(seq),  # has to be msgpack serializable
-                ) as stream:
+                with trio.fail_after(5):
+                    async with portal.open_stream_from(
+                        stream_func,
+                        sequence=list(seq),  # has to be msgpack serializable
+                    ) as stream:
 
-                    # it'd sure be nice to have an asyncitertools here...
-                    iseq = iter(seq)
-                    ival = next(iseq)
+                        # it'd sure be nice to have an asyncitertools here...
+                        iseq = iter(seq)
+                        ival = next(iseq)
 
-                    async for val in stream:
-                        assert val == ival
+                        async for val in stream:
+                            assert val == ival
 
+                            try:
+                                ival = next(iseq)
+                            except StopIteration:
+                                # should cancel far end task which will be
+                                # caught and no error is raised
+                                await stream.aclose()
+
+                        await trio.sleep(0.3)
+
+                        # ensure EOC signalled-state translates
+                        # XXX: not really sure this is correct,
+                        # shouldn't it be a `ClosedResourceError`?
                         try:
-                            ival = next(iseq)
-                        except StopIteration:
-                            # should cancel far end task which will be
-                            # caught and no error is raised
-                            await stream.aclose()
-
-                    await trio.sleep(0.3)
-
-                    try:
-                        await stream.__anext__()
-                    except StopAsyncIteration:
-                        # stop all spawned subactors
-                        await portal.cancel_actor()
-                    # await nursery.cancel()
+                            await stream.__anext__()
+                        except StopAsyncIteration:
+                            # stop all spawned subactors
+                            await portal.cancel_actor()
 
 
 @pytest.mark.parametrize(