Add failing test for deserializing poorly formatted, non-delayed job …

…based yaml loading.

spec/yaml_ext_spec.rb

@@ -3,14 +3,29 @@
 describe YAML do
   it "should autoload classes that are unknown at runtime" do
     lambda {
-      YAML.load("--- !ruby/object:Autoloaded::Clazz {}")
+      obj = YAML.load("--- !ruby/object:Autoloaded::Clazz {}")
+      obj.class.to_s.should == 'Autoloaded::Clazz'
     }.should_not raise_error
   end
 
   it "should autoload structs that are unknown at runtime" do
     lambda {
-      YAML.load("--- !ruby/struct:Autoloaded::Struct {}")
+      obj = YAML.load("--- !ruby/struct:Autoloaded::Struct {}")
+      obj.class.to_s.should == 'Autoloaded::Struct'
     }.should_not raise_error
   end
+
+  # As we're overriding some of Yaml's internals it is best that our changes
+  # don't impact other places where Yaml is used. Or at least don't make it
+  # look like the exception is caused by DJ
+  it "should not raise exception on poorly formatted yaml" do
+    lambda do
+      YAML.load(<<-EOYAML
+default:
+  <<: *login
+EOYAML
+      )
+    end.should_not raise_error
+  end
 
-end
+end