[CI] Rename basic CI stage-a/b/c -> base-a/b/c for symmetry with extra CI (#25420)

test/registered/models/test_dummy_grok_models.py

@@ -5,7 +5,7 @@ from sglang.test.test_utils import CustomTestCase, is_in_ci, run_bench_one_batch
 
 register_cuda_ci(
     est_time=120,
-    stage="stage-b",
+    stage="base-b",
     runner_config="2-gpu-large",
     disabled="Temporarily disabled",
 )

test/registered/models/test_gemma4_fp8_per_expert_loading.py

@@ -25,7 +25,7 @@ from sglang.test.test_utils import (
 
 # Compressed-tensors per-expert FP8 MoE checkpoint that exercises the
 # loader path (gated repo + ~27 GB download + 4 GPUs at TP=4).
-register_cuda_ci(est_time=120, stage="stage-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=120, stage="base-c", runner_config="4-gpu-h100")
 
 
 @unittest.skipIf(get_device_sm() < 90, "Test requires CUDA SM 90 or higher")

test/registered/models/test_kimi_linear_models.py

@@ -11,7 +11,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=178, stage="stage-b", runner_config="2-gpu-large")
+register_cuda_ci(est_time=178, stage="base-b", runner_config="2-gpu-large")
 
 
 class TestKimiLinear(CustomTestCase):

test/registered/models/test_ministral3_models.py

@@ -8,7 +8,7 @@ from sglang.test.server_fixtures.mmmu_fixture import MMMUServerBase
 
 register_cuda_ci(
     est_time=200,
-    stage="stage-b",
+    stage="base-b",
     runner_config="1-gpu-small",
     disabled="Temporarily disabled",
 )

test/registered/models/test_nvidia_nemotron_3_nano.py

@@ -6,7 +6,7 @@ from sglang.test.server_fixtures.default_fixture import DefaultServerBase
 
 register_cuda_ci(
     est_time=190,
-    stage="stage-b",
+    stage="base-b",
     runner_config="2-gpu-large",
 )
 

test/registered/models/test_transformers_backend_eval.py

@@ -7,7 +7,7 @@ from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.few_shot_gsm8k import run_eval
 from sglang.test.server_fixtures.default_fixture import DefaultServerBase
 
-register_cuda_ci(est_time=48, stage="stage-b", runner_config="1-gpu-small")
+register_cuda_ci(est_time=48, stage="base-b", runner_config="1-gpu-small")
 
 
 class TestTransformersBackendEval(DefaultServerBase):

test/registered/models/test_transformers_models.py

@@ -21,7 +21,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=177, stage="stage-b", runner_config="1-gpu-small")
+register_cuda_ci(est_time=177, stage="base-b", runner_config="1-gpu-small")
 register_amd_ci(est_time=320, suite="stage-b-test-1-gpu-small-amd")