lock some tests. They are inappropriate as r7rs compatibility check because r7rs doesn't require interpreters to have big integer support.
lock some tests. They are inappropriate as r7rs compatibility check
because r7rs doesn't require interpreters to have big integer support.

dcurrie/picrin,dcurrie/picrin,leavesbnw/picrin,ktakashi/picrin,leavesbnw/picrin,ktakashi/picrin,leavesbnw/picrin,omasanori/picrin,picrin-scheme/picrin,picrin-scheme/picrin,koba-e964/picrin,omasanori/picrin,ktakashi/picrin,koba-e964/picrin,koba-e964/picrin