diff --git a/tests/conftest.py b/tests/conftest.py
index 2da68f7..fd8427f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -35,5 +35,7 @@ def pytest_generate_tests(metafunc):
         from multiprocessing import get_all_start_methods
         methods = get_all_start_methods()
         if 'fork' in methods:  # fork not available on windows, so check before removing
+            # XXX: the fork method is in general incompatible with
+            # trio's global scheduler state
             methods.remove('fork')
         metafunc.parametrize("start_method", methods, scope='module')
diff --git a/tests/test_discovery.py b/tests/test_discovery.py
index 2db8c68..f458494 100644
--- a/tests/test_discovery.py
+++ b/tests/test_discovery.py
@@ -60,7 +60,7 @@ async def say_hello_use_wait(other_actor):
 
 @tractor_test
 @pytest.mark.parametrize('func', [say_hello, say_hello_use_wait])
-async def test_trynamic_trio(func):
+async def test_trynamic_trio(func, start_method):
     """Main tractor entry point, the "master" process (for now
     acts as the "director").
     """