r7rs-test: print all failed tests in the end
r7rs-test: print all failed tests in the end

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