diff --git a/test/unit/course_test.rb b/test/unit/course_test.rb
index ada3a4bc..cc5bb934 100644
--- a/test/unit/course_test.rb
+++ b/test/unit/course_test.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 # Redmine - project management software
 # Copyright (C) 2006-2013  Jean-Philippe Lang
 #
@@ -20,44 +21,44 @@ require File.expand_path('../../test_helper', __FILE__)
 class CourseTest < ActiveSupport::TestCase
   def setup
   	@course_1 = Course.new
-  	course_now.id = 1
-  	course_now.tea_id = 1
-  	course_now.name = 'course1'
-  	course_now.state = 1234
-  	course_now.time = 2012
-  	course_now.term = '秋季学期'
-  	course_now.password = 1234
-  	course_now.class_period = 40
+  	@course_1.id = 1
+  	@course_1.tea_id = 1
+  	@course_1.name = 'course1'
+  	@course_1.state = 1234
+  	@course_1.time = 2012
+  	@course_1.term = '秋季学期'
+  	@course_1.password = 1234
+  	@course_1.class_period = 40
 
   	@course_2 = Course.new
-  	course_now.id = 2
-  	course_now.tea_id = 1
-  	course_now.name = 'course2'
-  	course_now.state = 1234
-  	course_now.time = 2013
-  	course_now.term = '秋季学期'
-  	course_now.password = 1234
-  	course_now.class_period = 40
+  	@course_2.id = 2
+  	@course_2.tea_id = 1
+  	@course_2.name = 'course2'
+  	@course_2.state = 1234
+  	@course_2.time = 2013
+  	@course_2.term = '秋季学期'
+  	@course_2.password = 1234
+  	@course_2.class_period = 40
 
   	@course_3 = Course.new
-  	course_now.id = 3
-  	course_now.tea_id = 1
-  	course_now.name = 'course3'
-  	course_now.state = 1234
-  	course_now.time = 2014
-  	course_now.term = '秋季学期'
-  	course_now.password = 1234
-  	course_now.class_period = 40
+  	@course_3.id = 3
+  	@course_3.tea_id = 1
+  	@course_3.name = 'course3'
+  	@course_3.state = 1234
+  	@course_3.time = 2014
+  	@course_3.term = '秋季学期'
+  	@course_3.password = 1234
+  	@course_3.class_period = 40
 
   	@course_now = Course.new
-  	course_now.id = 4
-  	course_now.tea_id = 1
-  	course_now.name = 'course4'
-  	course_now.state = 1234
-  	course_now.time = 2013
-  	course_now.term = '秋季学期'
-  	course_now.password = 1234
-  	course_now.class_period = 40
+  	@course_now.id = 4
+  	@course_now.tea_id = 1
+  	@course_now.name = 'course4'
+  	@course_now.state = 1234
+  	@course_now.time = 2013
+  	@course_now.term = '秋季学期'
+  	@course_now.password = 1234
+  	@course_now.class_period = 40
   end
   	
   test 'test course whether out of date.' do
diff --git a/test/unit/memo_test.rb b/test/unit/memo_test.rb
index c77e1ec7..659a1585 100644
--- a/test/unit/memo_test.rb
+++ b/test/unit/memo_test.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 require 'test_helper'
 
 class MemoTest < ActiveSupport::TestCase
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index 5f1cf443..d2a818e7 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 # Redmine - project management software
 # Copyright (C) 2006-2013  Jean-Philippe Lang
 #