Skip when backtrace doesn't get
MODIFY
mrbgems/mruby-kernel-ext/test/kernel.rb
mrbgems/mruby-kernel-ext/test/kernel.rb
@@ -4,6 +4,8 @@ assert('Kernel.fail, Kernel#fail') do
end
assert('Kernel.caller, Kernel#caller') do
+ skip "backtrace isn't available" if caller(0).empty?
+
c = Class.new do
def foo(*args)
caller(*args)

Skip when backtrace doesn't get