Ignore rexml examples on ruby/spec

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

spec/ruby/library/rexml/text/write_with_substitution_spec.rb

@@ -1,33 +1,36 @@
 require_relative '../../../spec_helper'
-require 'rexml/document'
 
-describe "REXML::Text#write_with_substitution" do
-  before :each do
-    @t = REXML::Text.new("test")
-    @f = tmp("rexml_spec")
-    @file = File.open(@f, "w+")
-  end
+ruby_version_is ''...'2.8' do
+  require 'rexml/document'
 
-  after :each do
-    @file.close
-    rm_r @f
-  end
+  describe "REXML::Text#write_with_substitution" do
+    before :each do
+      @t = REXML::Text.new("test")
+      @f = tmp("rexml_spec")
+      @file = File.open(@f, "w+")
+    end
 
-  it "writes out the input to a String" do
-    s = ""
-    @t.write_with_substitution(s, "some text")
-    s.should == "some text"
-  end
+    after :each do
+      @file.close
+      rm_r @f
+    end
 
-  it "writes out the input to an IO" do
-    @t.write_with_substitution(@file, "some text")
-    @file.rewind
-    @file.gets.should == "some text"
-  end
+    it "writes out the input to a String" do
+      s = ""
+      @t.write_with_substitution(s, "some text")
+      s.should == "some text"
+    end
 
-  it "escapes characters" do
-    @t.write_with_substitution(@file, "& < >")
-    @file.rewind
-    @file.gets.should == "&amp; &lt; &gt;"
+    it "writes out the input to an IO" do
+      @t.write_with_substitution(@file, "some text")
+      @file.rewind
+      @file.gets.should == "some text"
+    end
+
+    it "escapes characters" do
+      @t.write_with_substitution(@file, "& < >")
+      @file.rewind
+      @file.gets.should == "&amp; &lt; &gt;"
+    end
   end
 end