adjust tpu timeout

moves collection time test modification into the main hook for
modifying tests

tests/ignite/conftest.py

@@ -449,6 +449,16 @@ def distributed(request, local_rank, world_size):
 
 @pytest.hookimpl
 def pytest_pyfunc_call(pyfuncitem: pytest.Function) -> None:
+    if any(fx in pyfuncitem.fixturenames for fx in ["distributed", "multinode_distributed"]):
+        # Run distributed tests on a single worker to avoid RACE conditions
+        # This requires that the --dist=loadgroup option be passed to pytest.
+        pyfuncitem.add_marker(pytest.mark.xdist_group("distributed"))
+        # Add timeouts to prevent hanging
+        if "tpu" in pyfuncitem.fixturenames:
+            pyfuncitem.add_marker(pytest.mark.timeout(60))
+        else:
+            pyfuncitem.add_marker(pytest.mark.timeout(45))
+
     if pyfuncitem.stash.get(is_horovod_stash_key, False):
 
         def testfunc_wrapper(test_func, **kwargs):
@@ -498,14 +508,3 @@ def xla_worker(index, fn):
                 assert ex_.code == 0, "Didn't successfully exit in XLA test"
 
         pyfuncitem.obj = functools.partial(testfunc_wrapper, pyfuncitem.obj)
-
-
-def pytest_collection_modifyitems(items):
-    for item in items:
-        if "distributed" in item.fixturenames:
-            # Run distributed tests on a single worker to avoid RACE conditions
-            # This requires that the --dist=loadgroup option be passed to pytest.
-            item.add_marker(pytest.mark.xdist_group("distributed"))
-            item.add_marker(pytest.mark.timeout(45))
-        if "multinode_distributed" in item.fixturenames:
-            item.add_marker(pytest.mark.timeout(45))