anchor.diff:          "metafield_namespaces" => seq ["namespace1"; "namespace2"]
       ]
           
  -    Assert.Equal<Map<string, obj>>(dictionary, expected)
  +    Assert.Equal<Map<string, obj>>(expected, dictionary)
       Assert.False(Map.containsKey "format" dictionary)
       
   [<Fact>]
  
positive.code:         "metafield_namespaces" => seq ["namespace1"; "namespace2"]
      ]
          
      Assert.Equal<Map<string, obj>>(dictionary, expected)
      Assert.False(Map.containsKey "format" dictionary)
      Assert.False(Map.containsKey "fields" dictionary)
  
negative.code:         "metafield_namespaces" => seq ["namespace1"; "namespace2"]
      ]
          
      Assert.Equal<Map<string, obj>>(expected, dictionary)
  
  [<Fact>]
  let ``Serializes webhook properties to a dictionary with explicit null values`` () =
  