4 files changed, 6 insertions, 6 deletions
diff --git a/activemodel/test/state_machine/event_test.rb b/activemodel/test/state_machine/event_test.rb
index 40b630da7c..7f4a9afdd8 100644
--- a/activemodel/test/state_machine/event_test.rb
+++ b/activemodel/test/state_machine/event_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'test_helper'))
+require 'test_helper'
 
 class EventTest < ActiveModel::TestCase
   def setup
diff --git a/activemodel/test/state_machine/machine_test.rb b/activemodel/test/state_machine/machine_test.rb
index 2cdfcd9554..d23c223160 100644
--- a/activemodel/test/state_machine/machine_test.rb
+++ b/activemodel/test/state_machine/machine_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'test_helper'))
+require 'test_helper'
 
 class MachineTestSubject
   include ActiveModel::StateMachine
@@ -40,4 +40,4 @@ class StateMachineMachineTest < ActiveModel::TestCase
     assert events.include?(:shutdown)
     assert events.include?(:timeout)
   end
-end
-\ No newline at end of file
+end
diff --git a/activemodel/test/state_machine/state_test.rb b/activemodel/test/state_machine/state_test.rb
index 22d0d9eb93..daaf0829f0 100644
--- a/activemodel/test/state_machine/state_test.rb
+++ b/activemodel/test/state_machine/state_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'test_helper'))
+require 'test_helper'
 
 class StateTestSubject
   include ActiveModel::StateMachine
@@ -71,4 +71,4 @@ class StateTest < ActiveModel::TestCase
       state.call_action(:entering, record)
     end
   end
-end
-\ No newline at end of file
+end
diff --git a/activemodel/test/state_machine/state_transition_test.rb b/activemodel/test/state_machine/state_transition_test.rb
index 9a9e7f60c5..5165bb1c97 100644
--- a/activemodel/test/state_machine/state_transition_test.rb
+++ b/activemodel/test/state_machine/state_transition_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'test_helper'))
+require 'test_helper'
 
 class StateTransitionTest < ActiveModel::TestCase
   test 'should set from, to, and opts attr readers' do