def METHOD_NAME(self):
    self.x_np = self.random(
        shape=self.case["x_shape"], dtype=self.case["dtype"])
    self.w_np = self.random(
        shape=self.case["w_shape"], dtype=self.case["dtype"])
    self.dy_np = self.random(
        shape=self.case["dy_shape"], dtype=self.case["dtype"])