@Bean
	public StringRedisTemplate stringRedisTemplate() {
		return new StringRedisTemplate(redisConnectionFactory());
	}
Provides Redis backed repositories, to be tested one by one in Redis variant of tests.

@author Mark Pollack
@author Luke Taylor
@author Gary Russell
spring-xd-analytics/src/test/java/org/springframework/xd/analytics/metrics/common/RedisRepositoriesConfig.java