Fix specs and Boolean class

Author: ctennis

chef/lib/chef/resource/group.rb

@@ -60,7 +60,7 @@ def append(arg=nil)
         set_or_return(
           :append,
           arg,
-          kind_of => [ Boolean ]
+          :kind_of => [ TrueClass, FalseClass ]
         )
       end
     end

chef/spec/unit/provider/group/groupadd_spec.rb

@@ -129,7 +129,8 @@
     @new_resource = mock("Chef::Resource::Group",
       :null_object => true,
       :group_name => "aj",
-      :members => [ "all", "your", "base" ]
+      :members => [ "all", "your", "base" ],
+      :append => false
     )
     @new_resource.stub!(:to_s).and_return("group[aj]")
     @provider = Chef::Provider::Group::Groupadd.new(@node, @new_resource)

chef/spec/unit/resource/group_spec.rb

@@ -111,16 +111,16 @@
   end
 
   it "should default to false" do
-    @resource.gid.should eql(false)
+    @resource.append.should eql(false)
   end
 
   it "should allow a boolean" do
-    @resource.gid true
-    @resource.gid.should eql(true)
+    @resource.append true
+    @resource.append.should eql(true)
   end
 
   it "should not allow a hash" do
     lambda { @resource.send(:gid, { :aj => "is freakin awesome" }) }.should raise_error(ArgumentError)
   end
 
-end
+end