def METHOD_NAME(self):
    self.x_np = self.random(
        shape=self.case["x_shape"],
        dtype=self.case["x_dtype"],
        low=self.case["x_low"],
        high=self.case["x_high"])
    self.y_np = self.random(
        shape=self.case["y_shape"],
        dtype=self.case["y_dtype"],
        low=self.case["y_low"],
        high=self.case["y_high"])