Fix timeout property in iree_native_test (#10470)

build_tools/cmake/iree_native_test.cmake

diff --git a/build_tools/cmake/iree_native_test.cmake b/build_tools/cmake/iree_native_test.cmake
index c386283..6a50114 100644
--- a/build_tools/cmake/iree_native_test.cmake
+++ b/build_tools/cmake/iree_native_test.cmake
@@ -143,5 +143,5 @@
   list(APPEND _RULE_LABELS "${_PACKAGE_PATH}")
   set_property(TEST ${_TEST_NAME} PROPERTY LABELS "${_RULE_LABELS}")
   set_property(TEST "${_TEST_NAME}" PROPERTY REQUIRED_FILES "${_RULE_DATA}")
-  set_property(TEST ${_TEST_NAME} PROPERTY TIMEOUT ${_RULE_ARGS})
+  set_property(TEST ${_TEST_NAME} PROPERTY TIMEOUT ${_RULE_TIMEOUT})
 endfunction()