Polishing.

Prepare pool for Jedis as well. Introduce generics for Add ticket references to tests.

See #3072

src/main/java/org/springframework/data/redis/connection/jedis/JedisConnectionFactory.java

@@ -730,6 +730,12 @@ public class JedisConnectionFactory
 
 			if (getUsePool() && !isRedisClusterAware()) {
 				this.pool = createPool();
+
+				try {
+					this.pool.preparePool();
+				} catch (Exception ex) {
+					throw new PoolException("Could not prepare the pool", ex);
+				}
 			}
 
 			if (isRedisClusterAware()) {

src/main/java/org/springframework/data/redis/connection/lettuce/LettucePoolingConnectionProvider.java

@@ -97,7 +97,6 @@ class LettucePoolingConnectionProvider implements LettuceConnectionProvider, Red
 
 			try {
 				newPool.preparePool();
-
 			} catch (Exception ex) {
 				throw new PoolException("Could not prepare the pool", ex);
 			}