From 1d988d5a454ea9b10ff83200793eab6bc8981c18 Mon Sep 17 00:00:00 2001
From: "Yuan (Terry) Tang" <terrytangyuan@users.noreply.github.com>
Date: Mon, 28 Dec 2015 18:32:11 -0600
Subject: [PATCH] Added note in error_detector.sh

---
 tests/travis/error_detector.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/travis/error_detector.sh b/tests/travis/error_detector.sh
index 9236a3afd208..73cfec6a53c8 100755
--- a/tests/travis/error_detector.sh
+++ b/tests/travis/error_detector.sh
@@ -1,8 +1,14 @@
 #!/bin/bash
+
+# This script is mainly used to catch errors from maven results for Scala
+# to avoid false positives/negatives from Travis's interpretation. 
+
 file=scala_test_results.txt
 
 testFail=$(grep -ci "All tests passed" $file)
+
 if [ "$testFail" == "0" ]; then
+  # print results if anything fails
   cat $file
   echo "Some unit tests failed. "
   exit 1