update test metadata

frameworks/CSharp/aspnetcore/benchmark_config.json

@@ -12,7 +12,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Linux",
       "database_os": "Linux",
       "display_name": "aspnetcore-linux",
@@ -30,7 +31,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Linux",
       "database_os": "Linux",
       "display_name": "aspnetcore-linux",
@@ -48,7 +50,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Linux",
       "database_os": "Linux",
       "display_name": "aspnetcore-mvc-linux",
@@ -66,7 +69,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Linux",
       "database_os": "Linux",
       "display_name": "aspnetcore-mvc-linux",
@@ -86,7 +90,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Windows",
       "database_os": "Linux",
       "display_name": "aspnetcore-win",
@@ -105,7 +110,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "Kestrel",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Windows",
       "database_os": "Linux",
       "display_name": "aspnetcore-mvc-win",
@@ -124,7 +130,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "WebListener",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Windows",
       "database_os": "Linux",
       "display_name": "aspnetcore-weblistener",
@@ -143,7 +150,8 @@
       "language": "C#",
       "orm": "Raw",
       "platform": "NET",
-      "webserver": "WebListener",
+      "flavor": "CoreCLR",
+      "webserver": "None",
       "os": "Windows",
       "database_os": "Linux",
       "display_name": "aspnetcore-mvc-weblistener",