connect in sendCommand() and don't check with isConnected() two times

src/test/java/redis/clients/jedis/tests/JedisTest.java

@@ -11,7 +11,7 @@ import redis.clients.jedis.Protocol;
 import redis.clients.jedis.tests.commands.JedisCommandTestBase;
 
 public class JedisTest extends JedisCommandTestBase {
-    @Test(expected = JedisException.class)
+    @Test
     public void useWithoutConnecting() {
 	Jedis jedis = new Jedis("localhost");
 	jedis.dbSize();
@@ -31,4 +31,4 @@ public class JedisTest extends JedisCommandTestBase {
 	assertEquals(hash, jedis.hgetAll("foo"));
     }
 
-}
+}