def set_test_params(self):
    self.num_nodes = 3
    self.extra_args = ([[]] * self.num_nodes)
    self.extra_args[0].append('EXAMPLE_KEY')
def set_test_params(self):
    self.num_nodes = 3
    self.extra_args = ([[]] * self.num_nodes)
    self.extra_args[0].append('EXAMPLE_KEY')