Fix RuboCop offense Rails/HttpStatus (#39889).

git-svn-id: https://svn.redmine.org/redmine/trunk@22837 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/integration/api_test/attachments_test.rb

@@ -61,7 +61,7 @@ class Redmine::ApiTest::AttachmentsTest < Redmine::ApiTest::Base
 
   test "GET /attachments/:id.xml should deny access without credentials" do
     get '/attachments/7.xml'
-    assert_response 401
+    assert_response :unauthorized
   end
 
   test "GET /attachments/download/:id/:filename should return the attachment content" do
@@ -72,7 +72,7 @@ class Redmine::ApiTest::AttachmentsTest < Redmine::ApiTest::Base
 
   test "GET /attachments/download/:id/:filename should deny access without credentials" do
     get '/attachments/download/7/archive.zip'
-    assert_response 401
+    assert_response :unauthorized
   end
 
   test "GET /attachments/thumbnail/:id should return the thumbnail" do
@@ -118,7 +118,7 @@ class Redmine::ApiTest::AttachmentsTest < Redmine::ApiTest::Base
       :params => {:attachment => {:filename => '', :description => 'updated'}},
       :headers => credentials('jsmith')
     )
-    assert_response 422
+    assert_response :unprocessable_entity
     assert_equal 'application/json', response.media_type
     json = ActiveSupport::JSON.decode(response.body)
     assert_include "File cannot be blank", json['errors']
@@ -209,7 +209,7 @@ class Redmine::ApiTest::AttachmentsTest < Redmine::ApiTest::Base
           "CONTENT_TYPE" => 'image/png'
         }.merge(credentials('jsmith'))
       )
-      assert_response 406
+      assert_response :not_acceptable
     end
   end
 
@@ -224,7 +224,7 @@ class Redmine::ApiTest::AttachmentsTest < Redmine::ApiTest::Base
             "CONTENT_TYPE" => 'application/octet-stream'
           }.merge(credentials('jsmith'))
         )
-        assert_response 422
+        assert_response :unprocessable_entity
         assert_select 'error', :text => /exceeds the maximum allowed file size/
       end
     end