diff --git a/.claude/skills/add-jit-kernel/SKILL.md b/.claude/skills/add-jit-kernel/SKILL.md
index 3175e761c..d7f944bf5 100644
--- a/.claude/skills/add-jit-kernel/SKILL.md
+++ b/.claude/skills/add-jit-kernel/SKILL.md
@@ -446,13 +446,7 @@ def test_scale_unsupported_dtype():
 
 
 if __name__ == "__main__":
-    pytest.main([__file__, "-q"])
-```
-
-Run:
-
-```bash
-pytest python/sglang/jit_kernel/tests/test_scale.py -q
+    pytest.main([__file__, "-v", "-s"])
 ```
 
 ---
diff --git a/python/sglang/jit_kernel/tests/test_add_constant.py b/python/sglang/jit_kernel/tests/test_add_constant.py
index d588fc518..36ea024ba 100644
--- a/python/sglang/jit_kernel/tests/test_add_constant.py
+++ b/python/sglang/jit_kernel/tests/test_add_constant.py
@@ -1,14 +1,16 @@
+import pytest
 import torch
 
 from sglang.jit_kernel.add_constant import add_constant
 
 
-def main():
-    c = 1024
-    src = torch.arange(0, 1024 + 1, dtype=torch.int32).cuda()
-    dst = add_constant(src, c)
-    assert torch.all(dst == src + c)
+@pytest.mark.parametrize("size", [1, 2, 127, 128, 1024, 1025])
+@pytest.mark.parametrize("constant", [0, 1, 7, 1024, -3])
+def test_add_constant(size: int, constant: int) -> None:
+    src = torch.arange(0, size, dtype=torch.int32, device="cuda")
+    dst = add_constant(src, constant)
+    assert torch.all(dst == src + constant)
 
 
 if __name__ == "__main__":
-    main()
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_awq_dequantize.py b/python/sglang/jit_kernel/tests/test_awq_dequantize.py
index e29475843..d2970e99b 100644
--- a/python/sglang/jit_kernel/tests/test_awq_dequantize.py
+++ b/python/sglang/jit_kernel/tests/test_awq_dequantize.py
@@ -161,4 +161,4 @@ def test_awq_dequantize_jit_vs_aot(
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_awq_marlin_moe_repack.py b/python/sglang/jit_kernel/tests/test_awq_marlin_moe_repack.py
index 217dfc0a6..e4741b373 100644
--- a/python/sglang/jit_kernel/tests/test_awq_marlin_moe_repack.py
+++ b/python/sglang/jit_kernel/tests/test_awq_marlin_moe_repack.py
@@ -112,6 +112,4 @@ def test_awq_marlin_moe_repack_shape(
 
 
 if __name__ == "__main__":
-    import subprocess
-
-    subprocess.call(["pytest", "--tb=short", str(__file__)])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_awq_marlin_repack.py b/python/sglang/jit_kernel/tests/test_awq_marlin_repack.py
index 819fcf276..ba959ccac 100644
--- a/python/sglang/jit_kernel/tests/test_awq_marlin_repack.py
+++ b/python/sglang/jit_kernel/tests/test_awq_marlin_repack.py
@@ -98,6 +98,4 @@ def test_awq_marlin_repack_correct(num_bits, k_tiles, n_tiles, group_size):
 
 
 if __name__ == "__main__":
-    import subprocess
-
-    subprocess.call(["pytest", "--tb=short", str(__file__)])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_concat_mla.py b/python/sglang/jit_kernel/tests/test_concat_mla.py
index 6c5d3631d..cf1013c5e 100644
--- a/python/sglang/jit_kernel/tests/test_concat_mla.py
+++ b/python/sglang/jit_kernel/tests/test_concat_mla.py
@@ -166,4 +166,4 @@ def test_concat_mla_absorb_q_jit_vs_aot(dim_0: int, dim_1: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_cutedsl_gdn.py b/python/sglang/jit_kernel/tests/test_cutedsl_gdn.py
index 3831ac2e0..4139f24ae 100644
--- a/python/sglang/jit_kernel/tests/test_cutedsl_gdn.py
+++ b/python/sglang/jit_kernel/tests/test_cutedsl_gdn.py
@@ -296,4 +296,4 @@ def test_cutedsl_gdn_performance(B: int):
 
 
 if __name__ == "__main__":
-    pytest.main([__file__, "-v"])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_flash_attention_4.py b/python/sglang/jit_kernel/tests/test_flash_attention_4.py
index fe19c9175..1540d4601 100644
--- a/python/sglang/jit_kernel/tests/test_flash_attention_4.py
+++ b/python/sglang/jit_kernel/tests/test_flash_attention_4.py
@@ -1501,4 +1501,4 @@ def _generate_block_kvcache(
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_fused_add_rmsnorm.py b/python/sglang/jit_kernel/tests/test_fused_add_rmsnorm.py
index a763408d0..52c2dc612 100644
--- a/python/sglang/jit_kernel/tests/test_fused_add_rmsnorm.py
+++ b/python/sglang/jit_kernel/tests/test_fused_add_rmsnorm.py
@@ -52,4 +52,4 @@ def test_fused_add_rmsnorm(batch_size: int, hidden_size: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_fused_norm_scale_shift.py b/python/sglang/jit_kernel/tests/test_fused_norm_scale_shift.py
index 443edf3cc..592103b12 100644
--- a/python/sglang/jit_kernel/tests/test_fused_norm_scale_shift.py
+++ b/python/sglang/jit_kernel/tests/test_fused_norm_scale_shift.py
@@ -233,4 +233,4 @@ class TestFusedScaleResidualNormScaleShift:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_fused_store_index_cache.py b/python/sglang/jit_kernel/tests/test_fused_store_index_cache.py
index 6a1b401cc..00edb5819 100644
--- a/python/sglang/jit_kernel/tests/test_fused_store_index_cache.py
+++ b/python/sglang/jit_kernel/tests/test_fused_store_index_cache.py
@@ -450,4 +450,4 @@ def test_reference_writes_nonzero():
 
 
 if __name__ == "__main__":
-    pytest.main([__file__, "-v", "--tb=short"])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_gptq_marlin.py b/python/sglang/jit_kernel/tests/test_gptq_marlin.py
index b023b5956..c7cdb1e6c 100644
--- a/python/sglang/jit_kernel/tests/test_gptq_marlin.py
+++ b/python/sglang/jit_kernel/tests/test_gptq_marlin.py
@@ -96,6 +96,4 @@ def test_gptq_marlin_gemm(
 
 
 if __name__ == "__main__":
-    import subprocess
-
-    subprocess.call(["pytest", "--tb=short", str(__file__)])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_gptq_marlin_repack.py b/python/sglang/jit_kernel/tests/test_gptq_marlin_repack.py
index ef02be3e8..0c571dbff 100644
--- a/python/sglang/jit_kernel/tests/test_gptq_marlin_repack.py
+++ b/python/sglang/jit_kernel/tests/test_gptq_marlin_repack.py
@@ -87,6 +87,4 @@ def test_gptq_marlin_repack(
 
 
 if __name__ == "__main__":
-    import subprocess
-
-    subprocess.call(["pytest", "--tb=short", str(__file__)])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_moe_wna16_marlin.py b/python/sglang/jit_kernel/tests/test_moe_wna16_marlin.py
index f894dc118..e40f82461 100644
--- a/python/sglang/jit_kernel/tests/test_moe_wna16_marlin.py
+++ b/python/sglang/jit_kernel/tests/test_moe_wna16_marlin.py
@@ -324,6 +324,4 @@ def test_moe_wna16_marlin_gemm(
 
 
 if __name__ == "__main__":
-    import subprocess
-
-    subprocess.call(["pytest", "--tb=short", "-v", str(__file__)])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_per_tensor_quant_fp8.py b/python/sglang/jit_kernel/tests/test_per_tensor_quant_fp8.py
index a08b698f9..b560127ae 100644
--- a/python/sglang/jit_kernel/tests/test_per_tensor_quant_fp8.py
+++ b/python/sglang/jit_kernel/tests/test_per_tensor_quant_fp8.py
@@ -83,4 +83,4 @@ def test_jit_per_tensor_quant_supports_3d(shape):
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_per_token_group_quant_8bit.py b/python/sglang/jit_kernel/tests/test_per_token_group_quant_8bit.py
index 55f6f35be..eebd49527 100644
--- a/python/sglang/jit_kernel/tests/test_per_token_group_quant_8bit.py
+++ b/python/sglang/jit_kernel/tests/test_per_token_group_quant_8bit.py
@@ -202,4 +202,4 @@ def test_per_token_group_quant_with_column_major(
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_pos_enc.py b/python/sglang/jit_kernel/tests/test_pos_enc.py
index 3656a6c2f..4b809b002 100644
--- a/python/sglang/jit_kernel/tests/test_pos_enc.py
+++ b/python/sglang/jit_kernel/tests/test_pos_enc.py
@@ -371,10 +371,10 @@ def test_correctness(
     ],
 )
 def test_performance(
-    head_size,
-    rotary_dim,
-    max_position_embeddings,
-    base,
+    head_size: int,
+    rotary_dim: int,
+    max_position_embeddings: int,
+    base: int,
     is_neox_style,
     dtype,
     device,
@@ -483,3 +483,7 @@ def test_performance(
         print(f"Speedup (SGL/JIT): {speedup:.2f}x")
 
     assert jit_time >= 0 and sgl_time >= 0
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_qknorm.py b/python/sglang/jit_kernel/tests/test_qknorm.py
index 4dd1963d8..ee72e9ec6 100644
--- a/python/sglang/jit_kernel/tests/test_qknorm.py
+++ b/python/sglang/jit_kernel/tests/test_qknorm.py
@@ -90,4 +90,4 @@ def test_qknorm(batch_size: int, n_k: int, n_q: int, head_dim: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_qknorm_across_heads.py b/python/sglang/jit_kernel/tests/test_qknorm_across_heads.py
index d00c713de..f090d82ad 100644
--- a/python/sglang/jit_kernel/tests/test_qknorm_across_heads.py
+++ b/python/sglang/jit_kernel/tests/test_qknorm_across_heads.py
@@ -72,4 +72,4 @@ def test_qknorm_across_heads(batch_size: int, hidden_dim: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_rmsnorm.py b/python/sglang/jit_kernel/tests/test_rmsnorm.py
index 168a95334..501124daf 100644
--- a/python/sglang/jit_kernel/tests/test_rmsnorm.py
+++ b/python/sglang/jit_kernel/tests/test_rmsnorm.py
@@ -38,4 +38,4 @@ def test_rmsnorm(batch_size: int, hidden_size: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_rope.py b/python/sglang/jit_kernel/tests/test_rope.py
index 99c271966..0aba5cf4c 100644
--- a/python/sglang/jit_kernel/tests/test_rope.py
+++ b/python/sglang/jit_kernel/tests/test_rope.py
@@ -241,4 +241,4 @@ def test_fused_rope_store(
 
 
 if __name__ == "__main__":
-    pytest.main([__file__, "-v"])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_store_cache.py b/python/sglang/jit_kernel/tests/test_store_cache.py
index 770f257f9..ee5ddae14 100644
--- a/python/sglang/jit_kernel/tests/test_store_cache.py
+++ b/python/sglang/jit_kernel/tests/test_store_cache.py
@@ -32,4 +32,4 @@ def test_store_cache(batch_size: int, element_dim: int) -> None:
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])
diff --git a/python/sglang/jit_kernel/tests/test_timestep_embedding.py b/python/sglang/jit_kernel/tests/test_timestep_embedding.py
index 2ed242429..068363774 100644
--- a/python/sglang/jit_kernel/tests/test_timestep_embedding.py
+++ b/python/sglang/jit_kernel/tests/test_timestep_embedding.py
@@ -157,4 +157,4 @@ def test_timestep_embedding_perf():
 
 
 if __name__ == "__main__":
-    pytest.main([__file__])
+    pytest.main([__file__, "-v", "-s"])