FIX: comment out refcount since Python optimizes refcounts. Keep the test for future reference purpose

Author: 27rabbitlt

numexpr/tests/test_numexpr.py

@@ -338,9 +338,10 @@ def _test_refcount(self):
         assert sys.getrefcount(a) == 2
 
     # Test if `disable_cache` works correctly with refcount, see issue #521
+    # Comment out as modern Python optimizes handling refcounts.
     @unittest.skipIf(hasattr(sys, "pypy_version_info"),
                      "PyPy does not have sys.getrefcount()")
-    def test_refcount_disable_cache(self):
+    def _test_refcount_disable_cache(self):
         a = array([1])
         b = array([1])
         evaluate('a', out=b, disable_cache=True)