def METHOD_NAME(self):
    input_file = "../../common/transient.i"
    input_tree = self.create_tree(input_file)
    output_names = OutputNames.getPostprocessorFiles(input_tree, input_file)
    self.assertEqual(output_names, ["out_transient.csv"])
    outputs = input_tree.getBlockInfo("/Outputs")
    outputs.parameters_list.remove("file_base")
    del outputs.parameters["file_base"]
    output_names = OutputNames.getPostprocessorFiles(input_tree, input_file)
    self.assertEqual(output_names, ["transient_out.csv"])