Check ContentType in unit test.

framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/DynamicProxying/PersonAppServiceClientProxy_Tests.cs

@@ -194,7 +194,7 @@ namespace Volo.Abp.Http.DynamicProxying
             {
                 ContentType = "application/rtf"
             });
-            result.ShouldBe("UploadAsync");
+            result.ShouldBe("UploadAsync:application/rtf");
         }
     }
 }

framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Application/PeopleAppService.cs

@@ -83,7 +83,7 @@ namespace Volo.Abp.TestApp.Application
         {
             using (var reader = new StreamReader(streamContent.GetStream()))
             {
-                return await reader.ReadToEndAsync();
+                return await reader.ReadToEndAsync() + ":" + streamContent.ContentType;
             }
         }
     }