@SuppressWarnings("unused")
        public <O> OutputBuilder<I, O> withOutputType(final Class<O> outputType) {
            final TypeLiteral<O> typeLiteral = new TypeLiteral<O>() {
            };
            return new OutputBuilder<>(this, typeLiteral);
        }
Define the type of the output for the dynamic tests, e.g.
<pre>{@code withOutputType(String.class)}</pre>
stroom-test-common/src/main/java/stroom/test/common/DynamicTestBuilder.java