diff --git a/src/ConfigCat.Client.Tests/OverrideTests.cs b/src/ConfigCat.Client.Tests/OverrideTests.cs
index 73b4ee4b..61f31022 100644
--- a/src/ConfigCat.Client.Tests/OverrideTests.cs
+++ b/src/ConfigCat.Client.Tests/OverrideTests.cs
@@ -1,7 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System.Collections.Generic;
 using System.IO;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace ConfigCat.Client.Tests
@@ -361,9 +360,9 @@ public async Task LocalFile_Watcher_Reload()
             });
 
             Assert.AreEqual("initial", await client.GetValueAsync("fakeKey", string.Empty));
-
+            await Task.Delay(100);
             await WriteContent(SampleFileToCreate, "modified");
-            Thread.Sleep(3000);
+            await Task.Delay(1500);
 
             Assert.AreEqual("modified", await client.GetValueAsync("fakeKey", string.Empty));
 
@@ -383,9 +382,9 @@ public async Task LocalFile_Watcher_Reload_Sync()
             });
 
             Assert.AreEqual("initial", client.GetValue("fakeKey", string.Empty));
-
-            await WriteContent(SampleFileToCreate, "modified"); 
-            Thread.Sleep(3000);
+            await Task.Delay(100);
+            await WriteContent(SampleFileToCreate, "modified");
+            await Task.Delay(1500);
 
             Assert.AreEqual("modified", client.GetValue("fakeKey", string.Empty));