Add debug option for Golang tests in vscode (#61983)

.vscode/launch.json

@@ -27,6 +27,14 @@
       "console": "integratedTerminal",
       "internalConsoleOptions": "neverOpen",
       "port": 9229
+    },
+    {
+      "name": "Debug Go test",
+      "type": "go",
+      "request": "launch",
+      "mode": "test",
+      "program": "${workspaceFolder}/${relativeFileDirname}",
+      "showLog": true
     }
   ]
 }