Ignore test_sys: test_recursionlimit_fatalerror and test_current_frames

Author: steve-s

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_sys.txt

@@ -14,6 +14,7 @@
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_43581
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test__enablelegacywindowsfsencoding
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_clear_type_cache
+*graalpython.lib-python.3.test.test_sys.SysModuleTest.test_current_frames
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_debugmallocstats
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_dlopenflags
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_executable
@@ -28,6 +29,7 @@
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_ioencoding_nonascii
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_no_duplicates_in_meta_path
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_recursionlimit
+*graalpython.lib-python.3.test.test_sys.SysModuleTest.test_recursionlimit_fatalerror
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_recursionlimit_recovery
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_refcount
 *graalpython.lib-python.3.test.test_sys.SysModuleTest.test_setcheckinterval

graalpython/lib-python/3/test/test_sys.py

@@ -279,6 +279,7 @@ def set_recursion_limit_at_depth(depth, limit):
         finally:
             sys.setrecursionlimit(oldlimit)
 
+    @support.impl_detail("GR-26299", graalvm=False)
     def test_recursionlimit_fatalerror(self):
         # A fatal error occurs if a second recursion limit is hit when recovering
         # from a first one.
@@ -372,6 +373,7 @@ def test_getframe(self):
         )
 
     # sys._current_frames() is a CPython-only gimmick.
+    @support.impl_detail("sys._current_frames", graalvm=False)
     @test.support.reap_threads
     def test_current_frames(self):
         import threading