remove test that with view(Index) that was no longer valid

Author: jorisvandenbossche

pandas/tests/indexes/test_base.py

@@ -519,7 +519,6 @@ def test_is_(self):
         assert not ind.is_(ind.copy())
         assert not ind.is_(ind.copy(deep=False))
         assert not ind.is_(ind[:])
-        assert not ind.is_(ind.view(np.ndarray).view(Index))
         assert not ind.is_(np.array(range(10)))
 
         # quasi-implementation dependent