jest-worker-stall-hack.patch

diff --git a/build/workers/ChildProcessWorker.js b/build/workers/ChildProcessWorker.js
index f8a42c961d572ba5110dce6f4bb61dcf0333abc4..938202bee6a4848672b93adcc7598011b0e87a99 100644
--- a/build/workers/ChildProcessWorker.js
+++ b/build/workers/ChildProcessWorker.js
@@ -170,6 +170,15 @@ class ChildProcessWorker {
 
     child.on('message', this._onMessage.bind(this));
     child.on('exit', this._onExit.bind(this));
+    console.debug('initialize:', [
+      _types.CHILD_MESSAGE_INITIALIZE,
+      false,
+      this._options.workerPath,
+      this._options.setupArgs
+    ]);
+    console.debug('stalling the main thread for 200ms');
+    const futureTime = Date.now() + 200;
+    while (Date.now() < futureTime);
     child.send([
       _types.CHILD_MESSAGE_INITIALIZE,
       false,
diff --git a/build/workers/processChild.js b/build/workers/processChild.js
index fdf766ec0e3fe013cec19b9c9a5cfb86d4578535..91281b740757fa0519c2ceace7798a534bb39c7a 100644
--- a/build/workers/processChild.js
+++ b/build/workers/processChild.js
@@ -26,6 +26,7 @@ let initialized = false;
  */
 
 const messageListener = request => {
+  console.debug('messageListener:', request);
   switch (request[0]) {
     case _types.CHILD_MESSAGE_INITIALIZE:
       const init = request;
@@ -50,6 +51,7 @@ const messageListener = request => {
 };
 
 process.on('message', messageListener);
+console.debug('processChild: registered messageListener');
 
 function reportSuccess(result) {
   if (!process || !process.send) {