Ninja fix for CASSANDRA-19634

Restores original spark configurations because it is causing Java 8 failures when running local development environment
diff --git a/cassandra-analytics-integration-tests/src/test/java/org/apache/cassandra/analytics/SparkTestUtils.java b/cassandra-analytics-integration-tests/src/test/java/org/apache/cassandra/analytics/SparkTestUtils.java
index b5f62a4..e49ffdb 100644
--- a/cassandra-analytics-integration-tests/src/test/java/org/apache/cassandra/analytics/SparkTestUtils.java
+++ b/cassandra-analytics-integration-tests/src/test/java/org/apache/cassandra/analytics/SparkTestUtils.java
@@ -157,9 +157,9 @@
                               // the quoted identifiers tests where we test mixed case
                               .set("spark.sql.caseSensitive", "True")
                               .set("spark.master", "local[8,4]")
-                              .set("spark.cassandra_analytics.sidecar.request.retries", "4")
-                              .set("spark.cassandra_analytics.sidecar.request.retries.delay.milliseconds", "250")
-                              .set("spark.cassandra_analytics.sidecar.request.retries.max.delay.milliseconds", "250");
+                              .set("spark.cassandra_analytics.sidecar.request.retries", "5")
+                              .set("spark.cassandra_analytics.sidecar.request.retries.delay.milliseconds", "500")
+                              .set("spark.cassandra_analytics.sidecar.request.retries.max.delay.milliseconds", "500");
         BulkSparkConf.setupSparkConf(sparkConf, true);
         KryoRegister.setup(sparkConf);
         return sparkConf;