diff --git a/framework/test/Volo.Abp.AspNetCore.SignalR.Tests/Volo/Abp/AspNetCore/SignalR/AbpAspNetCoreSignalRTestBase.cs b/framework/test/Volo.Abp.AspNetCore.SignalR.Tests/Volo/Abp/AspNetCore/SignalR/AbpAspNetCoreSignalRTestBase.cs
index c7a31c8b8a..eb3cb0c265 100644
--- a/framework/test/Volo.Abp.AspNetCore.SignalR.Tests/Volo/Abp/AspNetCore/SignalR/AbpAspNetCoreSignalRTestBase.cs
+++ b/framework/test/Volo.Abp.AspNetCore.SignalR.Tests/Volo/Abp/AspNetCore/SignalR/AbpAspNetCoreSignalRTestBase.cs
@@ -2,7 +2,7 @@
 
 namespace Volo.Abp.AspNetCore.SignalR
 {
-    public class AbpAspNetCoreSignalRTestBase : AbpIntegratedTest<AbpAspNetCoreSignalRTestModule>
+    public abstract class AbpAspNetCoreSignalRTestBase : AbpIntegratedTest<AbpAspNetCoreSignalRTestModule>
     {
         protected override void SetAbpApplicationCreationOptions(AbpApplicationCreationOptions options)
         {