static PersistenceTestsConfiguration()
        {
            var optimisticConcurrencyConfiguration = new SagaPersistenceConfiguration();

            optimisticConcurrencyConfiguration.UseOptimisticLocking();
            var pessimisticLockingConfiguration = new SagaPersistenceConfiguration();

            SagaVariants = new[]
            {
                new TestVariant(optimisticConcurrencyConfiguration),
                new TestVariant(pessimisticLockingConfiguration)
            };
            OutboxVariants = new[]
            {
                new TestVariant(optimisticConcurrencyConfiguration)
            };
        }