new test case file format

tests/data/command22.txt

tests/data/command23.txt

tests/data/command24.txt

tests/data/command25.txt

tests/data/command26.txt

tests/data/command27.txt

tests/data/command28.txt

tests/data/command29.txt

tests/data/command3.txt

tests/data/command30.txt

tests/data/command300.txt

tests/data/command31.txt

tests/data/command32.txt

tests/data/command33.txt

tests/data/command34.txt

tests/data/command35.txt

tests/data/command36.txt

tests/data/command37.txt

tests/data/command38.txt

tests/data/command39.txt