Removed RSpec shared examples.

spec/spec_helper.rb

@@ -8,7 +8,6 @@ end
 require_relative '../lib/oga'
 require_relative 'support/parsing'
 require_relative 'support/evaluation'
-require_relative 'support/shared_examples'
 
 RSpec.configure do |config|
   config.color = true

spec/support/shared_examples.rb

@@ -1,19 +0,0 @@
-RSpec.shared_examples :node_set do |options|
-  example 'return a NodeSet instance' do
-    @set.is_a?(Oga::XML::NodeSet).should == true
-  end
-
-  example 'return the right amount of rows' do
-    @set.length.should == options[:length]
-  end
-end
-
-RSpec.shared_examples :empty_node_set do
-  example 'return a NodeSet instance' do
-    @set.is_a?(Oga::XML::NodeSet).should == true
-  end
-
-  example 'return the right amount of rows' do
-    @set.empty?.should == true
-  end
-end