diff --git a/test/unit/session_collections_test.rb b/test/unit/session_collections_test.rb
index f165ff9a5..464774f38 100644
--- a/test/unit/session_collections_test.rb
+++ b/test/unit/session_collections_test.rb
@@ -56,9 +56,9 @@ class SessionCollectionsTest < ActiveSupport::TestCase
     customer1.roles = roles
     customer1.save
 
-    collection_client1 = Sessions::Backend::Collections.new(agent1, {}, nil, 'aaa-1', 3)
-    collection_client2 = Sessions::Backend::Collections.new(agent2, {}, nil, 'bbb-2', 3)
-    collection_client2 = Sessions::Backend::Collections.new(customer1, {}, nil, 'ccc-2', 3)
+    collection_client1 = Sessions::Backend::Collections.new(agent1, {}, nil, 'aaa-1', 2)
+    collection_client2 = Sessions::Backend::Collections.new(agent2, {}, nil, 'bbb-2', 2)
+    collection_client3 = Sessions::Backend::Collections.new(customer1, {}, nil, 'ccc-2', 2)
 
     # get whole collections
     result1 = collection_client1.push
@@ -95,7 +95,7 @@ class SessionCollectionsTest < ActiveSupport::TestCase
     # change collection
     group = Group.first
     group.touch
-    sleep 4
+    sleep 3
 
     # get whole collections
     result1 = collection_client1.push