Add support for debugging tests in VS Code

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.vscode/launch.json

@@ -1,6 +1,18 @@
 {
   "version": "0.2.0",
   "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug Tests",
+      "program": "${workspaceRoot}/node_modules/.bin/jest",
+      "cwd": "${workspaceRoot}",
+      // to restrict running to a particular test case, add something like "--testNamePattern=webook payloads"
+      "args": ["--runInBand", "--config", "jest.config.js"],
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest"
+      }
+    },
     {
       "name": "Attach to Node Functions",
       "type": "node",