Update Testing.md

docs/en/UI/AspNetCore/Testing.md

@@ -213,4 +213,8 @@ The `AbpAspNetCoreIntegratedTestBase` provides the following base properties tho
 `AbpAspNetCoreIntegratedTestBase` provides the following methods that you can override if you need to customize the test server:
 
 * `ConfigureServices` can be overridden to register/replace services only for the derived test class.
-* `CreateHostBuilder` can be used to customize building the `IHostBuilder`.
+* `CreateHostBuilder` can be used to customize building the `IHostBuilder`.
+
+See Also
+
+* [Overall / Server Side Testing](../../Testing.md)