Skip test that requires finalization

Author: msimacek

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

@@ -1,3 +1,4 @@
+*graalpython.lib-python.3.test.test_frame.ClearTest.test_clear_locals
 *graalpython.lib-python.3.test.test_frame.ClearTest.test_clear_refcycles
 *graalpython.lib-python.3.test.test_frame.FrameAttrsTest.test_f_lineno_del_segfault
 *graalpython.lib-python.3.test.test_frame.FrameAttrsTest.test_locals

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

@@ -29,6 +29,7 @@ def clear_traceback_frames(self, tb):
             tb.tb_frame.clear()
             tb = tb.tb_next
 
+    @support.impl_detail("finalization", graalvm=False)
     def test_clear_locals(self):
         class C:
             pass