Switch assert_not_equal to refute_equal

Preferring to use minitest methods here instead of test-unit.

test/controllers/notes_controller_test.rb

@@ -25,7 +25,7 @@ class NotesControllerTest < ActionController::TestCase
 
   	note = users(:admin_user).notes.first
 
-  	assert_not_equal "test", note.body
+	refute_equal "test", note.body
   	post :update, id: note.id, note: {body: "test"}, format: :js
   	assert_equal "test", note.reload.body
   end

test/controllers/todos_controller_test.rb

@@ -397,7 +397,7 @@ class TodosControllerTest < ActionController::TestCase
     todo = users(:admin_user).todos.active.first
     context = users(:admin_user).contexts.first
 
-    assert_not_equal todo.context.id, context.id
+    refute_equal todo.context.id, context.id
 
     xhr :post, :change_context, :id => todo.id, :todo=>{:context_id => context.id}, :_source_view=>"todo"
     assert assigns['context_changed'], "context should have changed"
@@ -820,7 +820,7 @@ class TodosControllerTest < ActionController::TestCase
     next_todo = Todo.where(:recurring_todo_id => recurring_todo_1.id, :state => 'active').first
     assert_equal "Call Bill Gates every day", next_todo.description
     # check that the new todo is not the same as todo_1
-    assert_not_equal todo_1.id, next_todo.id
+    refute_equal todo_1.id, next_todo.id
 
     # change recurrence pattern to monthly and set show_from 2 days before due
     # date this forces the next todo to be put in the tickler
@@ -891,7 +891,7 @@ class TodosControllerTest < ActionController::TestCase
       assert !new_todo.nil?, "the todo should be in the tickler"
 
       assert_equal "Call Bill Gates every day", new_todo.description
-      assert_not_equal todo_1.id, new_todo.id, "check that the new todo is not the same as todo_1"
+      refute_equal todo_1.id, new_todo.id, "check that the new todo is not the same as todo_1"
       assert !new_todo.show_from.nil?, "check that the new_todo is in the tickler to show next month"
 
       assert_equal today + 1.month, new_todo.show_from

test/integration/recurring_todos_test.rb

@@ -29,7 +29,7 @@ class RecurringTodosTest < ActionDispatch::IntegrationTest
     rt.reload                   # then there should be two todos referencing
     assert_equal 2, rt.todos.size
     todo2 = Todo.where(:recurring_todo_id => rt.id, :state => 'active').first
-    assert_not_equal todo2.id, todo.id # and the todos should be different
+    refute_equal todo2.id, todo.id # and the todos should be different
 
     # when I delete the recurring todo
     delete_via_redirect "/recurring_todos/#{rt.id}", :_source_view => 'todo'
@@ -40,4 +40,4 @@ class RecurringTodosTest < ActionDispatch::IntegrationTest
     assert todo.recurring_todo_id.nil?
     assert todo2.recurring_todo_id.nil?
   end
-end
+end

test/models/user_test.rb

@@ -162,7 +162,7 @@ class UserTest < ActiveSupport::TestCase
   def test_generate_token_updates_token
     old_token = @admin_user.token
     @admin_user.generate_token
-    assert_not_equal old_token, @admin_user.token
+    refute_equal old_token, @admin_user.token
   end
 
   def test_find_admin