public static TestCase of(final String testVariantName,
                                  final String expectedReturn,
                                  final Param... params) {
            return new TestCase(
                    testVariantName,
                    ValString.create(expectedReturn),
                    Arrays.asList(params),
                    Collections.emptyList());
        }
Variant for where the return value is a ValString
stroom-query/stroom-query-language/src/test/java/stroom/query/language/functions/AbstractFunctionTest.java