return new TestProvider<>(valueType, Arrays.asList(values), producer);
    }

    public static <T> ProviderInternal<T> withProducerAndChangingExecutionTimeValue(Class<T> type, Task producer, T... values) {
        Class<T> valueType = values.length == 0 ? type : Cast.uncheckedNonnullCast(values[0].getClass());