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)RebindBuiltinsTestsz=Test all the ways that we can change/shadow globals/builtins.c y)a Perform TestCase-specific configuration on a function before testing.
By default, this does nothing. Example usage: spinning a function so
that a JIT will optimize it. Subclasses should override this as needed.
Args:
func: function to configure.
*args: any arguments that should be passed to func, if calling it.
Returns:
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