def METHOD_NAME():
    m = ConcreteModel()
    m.b = ProcessBaseBlock()
    data = {"x1": [1, 2, 3, 4], "x2": [5, 6, 7, 8], "z1": [10, 20, 30, 40]}
    df = pandas.DataFrame(data)
    def dummy_stream_table(self, time_point):
        return df
    m.b._get_stream_table_contents = types.MethodType(dummy_stream_table, m.b)
    stream = StringIO()
    m.b.report(ostream=stream)
    expected = """