Increase sleep seconds for replication delay

Author: supercaracal

test/cluster_client_transactions_test.rb

@@ -40,7 +40,7 @@ def test_transaction_with_replicas
       100.times { |i| cli.set("{key}#{i}", i) }
     end
 
-    sleep 0.1
+    sleep 0.5
 
     100.times { |i| assert_equal i.to_s, rc1.get("{key}#{i}") }
     100.times { |i| assert_equal i.to_s, rc2.get("{key}#{i}") }