Enable RecursionError-dependent test

Author: msimacek

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

@@ -489,7 +489,6 @@ def __eq__(self, other): return 1
 
         self.assertRaises(TypeError, hash, C2())
 
-    @support.impl_detail("StackOverflowError kills the test ", graalvm=False)
     def testSFBug532646(self):
         # Test for SF bug 532646