[CI][Bugfix] Surface subprocess output in spawn_new_process_for_each_test#41943

NickLucche merged 1 commit intovllm-project:mainvllm-project/vllm:mainfrom

haosdent:ci/spawn-test-surface-subprocess-outputhaosdent/vllm:ci/spawn-test-surface-subprocess-outputCopy head branch name to clipboard