@Test
    public void testRemoveFieldPathUpdate() {
        roundtripSerializeJsonAndMatch(inputJson(
                "{",
                "   'update': 'DOCUMENT_ID',",
                "   'fields': {",
                "       'int_array[5]': {",
                "           'remove': 0",
                "       }",
                "   }",
                "}"
        ));
    }
Tests roundtrip serialization (JSON -> DocumentUpdate -> Buffer -> DocumentUpdate -> JSON) of document updates.

@author Vegard Sjonfjell
document/src/test/java/com/yahoo/document/json/DocumentUpdateJsonSerializerTest.java