def METHOD_NAME():
    # Test extraction of IncreaseAmount statements from a text description
    # of a substance increasing the expression of some gene.
    s = 'BRAF increases the expression of p53.'
    tp = api.process_text(s)
    statements = tp.statements
    # Exactly one statement should have been extracted from the provided text
    assert len(statements) == 1
    statement0 = statements[0]
    # The statement should be of type IncreaseAmount
    assert isinstance(statement0, IncreaseAmount)
    # The subject and object in the statement should correspond with what is
    # in the text
    subj0 = statement0.subj.db_refs['TEXT']
    assert subj0 == 'BRAF'
    #
    obj0 = statement0.obj.db_refs['TEXT']
    assert obj0 == 'p53'
    # There should be an evidence object (properties of evidence tested in
    # other tests)
    assert len(statements[0].evidence) == 1