1--SELFTEST-- loading test
2--STEPTEST-- step_init called
3--STEPTEST-- step_test called iteration=1
4--STEPTEST-- step_test called iteration=2
5--STEPTEST-- step_test called iteration=3
6--STEPTEST-- step_test called iteration=4
7--STEPTEST-- step_test called iteration=5
8--SELFTEST-- exit 0
9