private StructtypesConfig.Builder createSimpleStructBuilder(String name, String gender, String [] emails) {
        StructtypesConfig.Builder builder = new StructtypesConfig.Builder();
        StructtypesConfig.Simple.Builder simpleBuilder = new StructtypesConfig.Simple.Builder();
        simpleBuilder.name(name);
        simpleBuilder.gender(StructtypesConfig.Simple.Gender.Enum.valueOf(gender));
        simpleBuilder.emails(List.of(emails));
        builder.simple(simpleBuilder);
        return builder;
    }
SEO keywords: test override() on builders. overrideTest, testOverride

@author Ulf Lilleengen
config/src/test/java/com/yahoo/vespa/config/ConfigBuilderMergeTest.java