updating tests to work with new virtual_value implementation

Author: joaomdmoura

test/adapter/json_api/has_many_test.rb

@@ -115,7 +115,7 @@ def test_has_many_with_no_serializer
                 id: "1",
                 type: "posts",
                 relationships: {
-                  tags: {:data=>nil}
+                  tags: { data: nil }
                 }
               }
             }, adapter.serializable_hash)

test/serializers/associations_test.rb

@@ -71,7 +71,7 @@ def test_has_many_with_no_serializer
         PostWithTagsSerializer.new(@post).each_association do |name, serializer, options|
           assert_equal name, :tags
           assert_equal serializer, nil
-          assert_equal options, {:virtual_value=>[{"attributes"=>{"name"=>"#hashtagged"}}]}
+          assert_equal [{ attributes: { name: "#hashtagged" }}].as_json, options[:virtual_value]
         end
       end