[SPARK-25615][SQL][TEST] Improve the test runtime of KafkaSinkSuite: …

…streaming write to non-existing topic

## What changes were proposed in this pull request?
Specify `kafka.max.block.ms` to 10 seconds while creating the kafka writer. In the absence of this overridden config, by default it uses a default time out of 60 seconds.

With this change the test completes in close to 10 seconds as opposed to 1 minute.

## How was this patch tested?
This is a test fix.

Closes apache#22671 from dilipbiswal/SPARK-25615.

Authored-by: Dilip Biswal <dbiswal@us.ibm.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>

external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSinkSuite.scala

@@ -427,6 +427,7 @@ class KafkaSinkSuite extends StreamTest with SharedSQLContext with KafkaTest {
         .format("kafka")
         .option("checkpointLocation", checkpointDir.getCanonicalPath)
         .option("kafka.bootstrap.servers", testUtils.brokerAddress)
+        .option("kafka.max.block.ms", "5000")
         .queryName("kafkaStream")
       withTopic.foreach(stream.option("topic", _))
       withOutputMode.foreach(stream.outputMode(_))