> for all the test data you gave us This is the secret sauce. You'll be responsible for any defects if you didn't prepare your test data to act like a massive

> for all the test data you gave us This is the secret sauce. You'll be responsible for any defects if you didn't prepare your test data to act like a massive unit test. Wonder how hard is to prepare the ideal test data vs writing the unit tests themselves in COBOL and verifying their translation. I guess if you throw enough data at it, the effort is minimal while the coverage becomes good enough to fix any bugs manually.