diff --git a/test/fixtures/glossary_categories.yml b/test/fixtures/glossary_categories.yml
new file mode 100644
index 0000000..417b425
--- /dev/null
+++ b/test/fixtures/glossary_categories.yml
@@ -0,0 +1,10 @@
+color:
+  id: 1
+  name: Color
+  project_id: 1
+
+shape:
+  id: 2
+  name: Shape
+  project_id: 1
+  
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 54685d3..4193874 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,2 +1,29 @@
 # Load the Redmine helper
 require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
+
+module Redmine
+  module PluginFixturesLoader
+    def self.included(base)
+      base.class_eval do
+        def self.plugin_fixtures(*symbols)
+          ActiveRecord::FixtureSet.create_fixtures(File.dirname(__FILE__) + '/fixtures/', symbols)
+        end
+      end
+    end
+  end
+end
+
+## functional test
+unless ActionController::TestCase.included_modules.include?(Redmine::PluginFixturesLoader)
+  ActionController::TestCase.send :include, Redmine::PluginFixturesLoader
+end
+
+## unit test
+unless ActiveSupport::TestCase.included_modules.include?(Redmine::PluginFixturesLoader)
+  ActiveSupport::TestCase.send :include, Redmine::PluginFixturesLoader
+end
+
+## integration test
+unless Redmine::IntegrationTest.included_modules.include?(Redmine::PluginFixturesLoader)
+  Redmine::IntegrationTest.send :include, Redmine::PluginFixturesLoader
+end
diff --git a/test/unit/glossary_category_test.rb b/test/unit/glossary_category_test.rb
index 9e8e198..dc07cf2 100644
--- a/test/unit/glossary_category_test.rb
+++ b/test/unit/glossary_category_test.rb
@@ -1,9 +1,15 @@
+# coding: utf-8
 require File.expand_path('../../test_helper', __FILE__)
 
 class GlossaryCategoryTest < ActiveSupport::TestCase
+  fixtures :glossary_categories
+  plugin_fixtures :glossary_categories
 
-  # Replace this with your real tests.
-  def test_truth
-    assert true
+  def setup
+    @category = glossary_categories('color')
+  end
+  
+  def test_valid
+    assert !@category.valid?
   end
 end