diff --git a/Vostok.ServiceDiscovery.Tests/ServiceLocatorStorage/EnvironmentsStorage_Tests.cs b/Vostok.ServiceDiscovery.Tests/ServiceLocatorStorage/EnvironmentsStorage_Tests.cs
index 2945e43..c39c9d4 100644
--- a/Vostok.ServiceDiscovery.Tests/ServiceLocatorStorage/EnvironmentsStorage_Tests.cs
+++ b/Vostok.ServiceDiscovery.Tests/ServiceLocatorStorage/EnvironmentsStorage_Tests.cs
@@ -191,6 +191,8 @@ public void Should_not_delete_environment_from_cache_when_observation_of_deleted
                 ShouldReturn(storage, "default", expectedInfo);
                 
                 Ensemble.Start();
+                storage.UpdateAll();
+                ShouldReturn(storage, "default", expectedInfo);
             }
         }
 
diff --git a/Vostok.ServiceDiscovery.Tests/TestsBase.cs b/Vostok.ServiceDiscovery.Tests/TestsBase.cs
index 7b36691..2365e17 100644
--- a/Vostok.ServiceDiscovery.Tests/TestsBase.cs
+++ b/Vostok.ServiceDiscovery.Tests/TestsBase.cs
@@ -29,7 +29,6 @@ internal abstract class TestsBase
         protected ZooKeeperEnsemble Ensemble;
         protected ZooKeeperClient ZooKeeperClient;
         protected IServiceDiscoveryManager ServiceDiscoveryManager;
-        private static readonly TimeSpan DefaultZkClientTimeout = 8.Seconds();
         
         [OneTimeSetUp]
         public void OneTimeSetUp()
@@ -65,7 +64,7 @@ protected Task KillSession(ZooKeeperClient client) =>
 
         protected ZooKeeperClient GetZooKeeperClient()
         {
-            var settings = new ZooKeeperClientSettings(Ensemble.ConnectionString) {Timeout = DefaultZkClientTimeout};
+            var settings = new ZooKeeperClientSettings(Ensemble.ConnectionString) {Timeout = DefaultTimeout};
             return new ZooKeeperClient(settings, Log);
         }