GEODE-9252: Wait longer for Redis cluster to be formed (#6817)

diff --git a/geode-apis-compatible-with-redis/src/commonTest/java/org/apache/geode/redis/NativeRedisClusterTestRule.java b/geode-apis-compatible-with-redis/src/commonTest/java/org/apache/geode/redis/NativeRedisClusterTestRule.java
index cd677c2..0986d34 100644
--- a/geode-apis-compatible-with-redis/src/commonTest/java/org/apache/geode/redis/NativeRedisClusterTestRule.java
+++ b/geode-apis-compatible-with-redis/src/commonTest/java/org/apache/geode/redis/NativeRedisClusterTestRule.java
@@ -135,7 +135,7 @@
     int primaryCount = 0;
 
     try (Jedis jedis = new Jedis("localhost", port)) {
-      for (int i = 0; i < 10; i++) {
+      for (int i = 0; i < 60; i++) {
         nodes = ClusterNodes.parseClusterNodes(jedis.clusterNodes()).getNodes();
         primaryCount = nodes.stream().mapToInt(x -> x.primary ? 1 : 0).sum();
         if (primaryCount == wantedPrimaries) {
@@ -143,7 +143,7 @@
         }
 
         try {
-          Thread.sleep(500);
+          Thread.sleep(1000);
         } catch (InterruptedException ignored) {
         }
       }