def test_underline(): assert underline('foo') == 'foo\n---' assert underline('foobar', '=') == 'foobar\n======'
def test_underline(): assert underline('foo') == 'foo\n---' assert underline('foobar', '=') == 'foobar\n======'
def test_underline(): assert underline("foo") == "foo\n---" assert underline("foobar", "=") == "foobar\n======"