class MiniTest::BacktraceFilter
def filter bt
def filter bt return ["No backtrace"] unless bt new_bt = [] unless $DEBUG then bt.each do |line| break if line =~ /lib\/minitest/ new_bt << line end new_bt = bt.reject { |line| line =~ /lib\/minitest/ } if new_bt.empty? new_bt = bt.dup if new_bt.empty? else new_bt = bt.dup end new_bt end