Skip test for buffer locking

Author: msimacek

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

@@ -51,6 +51,7 @@
 *graalpython.lib-python.3.test.test_re.ReTests.test_ignore_case_range
 *graalpython.lib-python.3.test.test_re.ReTests.test_ignore_case_set
 *graalpython.lib-python.3.test.test_re.ReTests.test_issue17998
+*graalpython.lib-python.3.test.test_re.ReTests.test_keep_buffer
 *graalpython.lib-python.3.test.test_re.ReTests.test_large_search
 *graalpython.lib-python.3.test.test_re.ReTests.test_large_subn
 *graalpython.lib-python.3.test.test_re.ReTests.test_lookahead

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

@@ -1,5 +1,5 @@
 from test.support import (gc_collect, bigmemtest, _2G,
-                          cpython_only, captured_stdout)
+                          cpython_only, captured_stdout, impl_detail)
 import locale
 import re
 import sre_compile
@@ -53,6 +53,7 @@ def checkTemplateError(self, pattern, repl, string, errmsg, pos=None):
             if pos is not None:
                 self.assertEqual(err.pos, pos)
 
+    @impl_detail("buffer locking", graalvm=False)
     def test_keep_buffer(self):
         # See bug 14212
         b = bytearray(b'x')