Reduce worker count to 3 (microsoft#10210)

weswigham · web-flow · commit 30e95df91e7a · 2016-08-08T13:11:02.000-07:00
Since we saw a starvation issue on one of @sandersn's PRs.
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,7 @@ node_js:
 sudo: false
 
 env:
-  - workerCount=4
+  - workerCount=3
 
 matrix:
   fast_finish: true
