1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/library/csv/generate_spec.rb b/spec/ruby/library/csv/generate_spec.rb
index f583b5f536..62e19aa6e4 100644
--- a/spec/ruby/library/csv/generate_spec.rb
+++ b/spec/ruby/library/csv/generate_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../../spec_helper', __FILE__)
+require_relative '../../spec_helper'
 require 'csv'
 require 'tempfile'
 
@@ -21,12 +21,12 @@ describe "CSV.generate" do
   end
 
   it "appends and returns the argument itself" do
-    str = ""
+    str = +""
     csv_str = CSV.generate(str) do |csv|
       csv.add_row [1, 2, 3]
       csv << [4, 5, 6]
     end
-    csv_str.object_id.should == str.object_id
+    csv_str.should.equal? str
     str.should == "1,2,3\n4,5,6\n"
   end
 end