Rubocop: Consistent spacing

test/serializers/root_test.rb

@@ -3,13 +3,12 @@ require 'test_helper'
 module ActiveModel
   class Serializer
     class RootTest < Minitest::Test
-
       def setup
         @virtual_value = VirtualValue.new(id: 1)
       end
 
       def test_overwrite_root
-        serializer = VirtualValueSerializer.new(@virtual_value, {root: 'smth'})
+        serializer = VirtualValueSerializer.new(@virtual_value, { root: 'smth' })
         assert_equal('smth', serializer.json_key)
       end
 
@@ -17,7 +16,6 @@ module ActiveModel
         serializer = VirtualValueSerializer.new(@virtual_value)
         assert_equal('virtual_value', serializer.json_key)
       end
-
     end
   end
 end