Ignore rexml examples on ruby/spec

Merged: https://github.com/ruby/ruby/pull/2832

spec/ruby/library/rexml/attribute/xpath_spec.rb

@@ -1,19 +1,22 @@
 require_relative '../../../spec_helper'
-require 'rexml/document'
 
-describe "REXML::Attribute#xpath" do
+ruby_version_is ''...'2.8' do
+  require 'rexml/document'
 
-  before :each do
-    @e = REXML::Element.new "root"
-    @attr = REXML::Attribute.new("year", "1989")
-  end
+  describe "REXML::Attribute#xpath" do
 
-  it "returns the path for Attribute" do
-    @e.add_attribute @attr
-    @attr.xpath.should == "root/@year"
-  end
+    before :each do
+      @e = REXML::Element.new "root"
+      @attr = REXML::Attribute.new("year", "1989")
+    end
 
-  it "raises an error if attribute has no parent" do
-    -> { @attr.xpath }.should raise_error(Exception)
+    it "returns the path for Attribute" do
+      @e.add_attribute @attr
+      @attr.xpath.should == "root/@year"
+    end
+
+    it "raises an error if attribute has no parent" do
+      -> { @attr.xpath }.should raise_error(Exception)
+    end
   end
 end