private void registerAllTestDocumentTypes() {
        registerSmokeDocumentType();
        registerMirrorsDocumentType();
        registerArrayDocumentType();
        registerSetDocumentType();
        registerMapDocumentType();
        registerRawDocumentType();
        registerPredicateDocumentType();
        registerMapToStringToArrayDocumentType();
        registerSinglePositionDocumentType();
        registerMultiPositionDocumentType();
        registerTensorDocumentType();
        registerIndexedTensorDocumentType();
        registerReferenceDocumentType();
    }
Functional tests for com.yahoo.document.json.JsonWriter.

@author Steinar Knutsen
document/src/test/java/com/yahoo/document/json/JsonWriterTestCase.java