BUG: Make DeprecationWarning always raise error in test.
BUG: Make DeprecationWarning always raise error in test.

The test_fancy in numpy/lib/tests/test_function_base.py failed in
release because a DeprecationWarning was no longer raised, it had
become a warning.

NextThought/pypy-numpy,NextThought/pypy-numpy,NextThought/pypy-numpy,NextThought/pypy-numpy