Make sure $! is set in at_exit spec

Author: eregon

spec/ruby/core/kernel/at_exit_spec.rb

@@ -23,7 +23,7 @@
   it "gives access to the last raised exception" do
     code = <<-EOC
       at_exit do
-        puts "The exception matches: \#{$! == $exception}"
+        puts "The exception matches: \#{$! == $exception} (message=\#{$!.message})"
       end
 
       begin
@@ -33,8 +33,8 @@
       end
     EOC
 
-    result = ruby_exe(code, args: "2>&1", escape: true)
-    result.should =~ /The exception matches: true/
+    result = ruby_exe(code, args: "2>&1")
+    result.lines.should.include?("The exception matches: true (message=foo)\n")
   end
 
 end