new test case file format

tests/data/command117.txt

tests/data/command118.txt

tests/data/command119.txt

tests/data/command12.txt

tests/data/command120.txt

tests/data/command121.txt

tests/data/command122.txt

tests/data/command123.txt

tests/data/command13.txt

tests/data/command14.txt

tests/data/command15.txt

tests/data/command16.txt

tests/data/command17.txt

tests/data/command18.txt

tests/data/command19.txt

tests/data/command2.txt

tests/data/command20.txt

tests/data/command200.txt

tests/data/command201.txt

tests/data/command21.txt