Fix gpt_oss_common import path and migrate core tests (#16426)

test/registered/core/test_deterministic.py

@@ -0,0 +1,64 @@
+"""
+Usage:
+cd test/srt
+python3 -m unittest test_deterministic.TestDeterministic.TESTCASE
+
+Note that there is also `python/sglang/test/test_deterministic.py` as an interactive test. We are converting that
+test into unit tests so that's easily reproducible in CI.
+"""
+
+import unittest
+
+from sglang.test.ci.ci_register import register_cuda_ci
+from sglang.test.test_deterministic_utils import (
+    COMMON_SERVER_ARGS,
+    TestDeterministicBase,
+)
+
+register_cuda_ci(est_time=228, suite="stage-b-test-small-1-gpu")
+
+
+class TestFlashinferDeterministic(TestDeterministicBase):
+    # Test with flashinfer attention backend
+    @classmethod
+    def get_server_args(cls):
+        args = COMMON_SERVER_ARGS
+        args.extend(
+            [
+                "--attention-backend",
+                "flashinfer",
+            ]
+        )
+        return args
+
+
+class TestFa3Deterministic(TestDeterministicBase):
+    # Test with fa3 attention backend
+    @classmethod
+    def get_server_args(cls):
+        args = COMMON_SERVER_ARGS
+        args.extend(
+            [
+                "--attention-backend",
+                "fa3",
+            ]
+        )
+        return args
+
+
+class TestTritonDeterministic(TestDeterministicBase):
+    # Test with triton attention backend
+    @classmethod
+    def get_server_args(cls):
+        args = COMMON_SERVER_ARGS
+        args.extend(
+            [
+                "--attention-backend",
+                "triton",
+            ]
+        )
+        return args
+
+
+if __name__ == "__main__":
+    unittest.main()