Add pytest-run-parallel markers to pytest.ini

Author: seberg

pytest.ini

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
 [pytest]
@@ -21,3 +21,6 @@ markers =
     cython: cython tests
     smoke: meta-level smoke tests
     flaky: mark test as flaky (provided by pytest-rerunfailures)
+    # pytest-run-parallel related markers
+    thread_unsafe: mark test as thread unsafe (provided by pytest-run-parallel)
+    parallel_threads_limit: max number of threads (provided by pytest-run-parallel)