chore: update CI test est_time values (#22565)

Co-authored-by: Cheng Wan <chwan@rice.edu>
Co-authored-by: sglang-bot <sglang-bot@users.noreply.github.com>
Co-authored-by: Cheng Wan <54331508+ch-wan@users.noreply.github.com>

test/registered/unit/model_executor/test_pool_configurator.py

@@ -12,7 +12,7 @@ from unittest.mock import MagicMock, patch
 
 from sglang.test.ci.ci_register import register_cpu_ci
 
-register_cpu_ci(est_time=5, suite="stage-a-test-cpu")
+register_cpu_ci(est_time=9, suite="stage-a-test-cpu")
 
 
 @contextlib.contextmanager