RUBY-844 remove attr_reader and clean up test

Author: estolfo

lib/mongo/cursor.rb

@@ -23,8 +23,7 @@ class Cursor
     include Mongo::ReadPreference
 
     attr_reader :collection, :selector, :fields,
-      :order, :hint, :snapshot, :timeout,
-      :full_collection_name, :transformer,
+      :order, :hint, :snapshot, :timeout, :transformer,
       :options, :cursor_id, :show_disk_loc,
       :comment, :compile_regex, :read, :tag_sets,
       :acceptable_latency

test/unit/cursor_test.rb

@@ -141,8 +141,8 @@ class Mongo::Cursor
     context 'when an alternate namespace is specified' do
 
       should 'use the alternate namespace' do
-        assert_equal('other_db.other_collection',
-                     Cursor.new(@collection, :ns => 'other_db.other_collection').full_collection_name)
+        cursor = Cursor.new(@collection, :ns => 'other_db.other_collection')
+        assert_equal('other_db.other_collection', cursor.full_collection_name)
       end
     end