[CI] Initialize ubatch runner in cudagraph unit test (#56808)

Signed-off-by: Kevin Luu <51931015+khluu@users.noreply.github.com> Co-authored-by: OpenAI Codex <codex@openai.com>

Kevin H. Luu committed Sep 14, 2026 at 11:37 UTC 56ca9904ce76975fe3aad28d1af7af961a07f054
1 file changed +1
tests/v1/cudagraph/test_breakable_cudagraph.py
+1
@@ -43,6 +43,7 @@ def test_piecewise_capture_builds_fresh_metadata_for_both_passes():
43 manager._capture_descs = {CUDAGraphMode.PIECEWISE: [desc]}
44 manager._graphs_captured = False
45 manager.use_breakable_cg = True
46 + manager.ubatch_runner = None
47
48 create_calls = []
49 forward_calls = []