From 1afbc7e458d81d9a27ac6116ffb50b1622446c9c Mon Sep 17 00:00:00 2001
From: Mike Brocchi <mbrocchi@gmail.com>
Date: Fri, 18 Mar 2016 00:10:43 -0400
Subject: [PATCH] bug(test): resolve test race condition

Starting build and test at the same time creates a race condition
Run a build first to remove that scenario
Fixes #293
---
 addon/ng2/commands/test.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/addon/ng2/commands/test.js b/addon/ng2/commands/test.js
index 9560e4897d9f..80d9ebe1c328 100644
--- a/addon/ng2/commands/test.js
+++ b/addon/ng2/commands/test.js
@@ -51,7 +51,11 @@ module.exports = TestCommand.extend({
      
     if (commandOptions.watch){
       return win.checkWindowsElevation(this.ui)
-        .then(function() {
+        .then(_ => {
+          // perform initial build to avoid race condition
+          return buildTask.run(buildOptions);
+        }, _ => { /* handle build error to allow watch mode to start */})
+        .then(_ => {
           return Promise.all([
             buildWatchTask.run(buildOptions),
             testTask.run(commandOptions)
@@ -61,10 +65,10 @@ module.exports = TestCommand.extend({
       // if not watching ensure karma is doing a single run
       commandOptions.singleRun = true;
       return win.checkWindowsElevation(this.ui)
-        .then(function() {
+        .then(_ =>  {
           return buildTask.run(buildOptions);
         })
-        .then(function(){
+        .then(_ => {
           return testTask.run(commandOptions);
         });
     }