use temporally epel-testing repo to fix broken chrome version 60.0.3112.113-2.el7

Author: Tobias Schneck

src/centos/install/chrome.sh

@@ -3,7 +3,12 @@
 set -e
 
 echo "Install Chromium Browser"
+
+#TODO use temporally epel-testing repo to fix chrome version 60.0.3112.113-2.el7
+yum-config-manager --enable epel-testing
 yum -y install chromium chromium-libs chromium-libs-media
+yum-config-manager --enable epel-testing
+
 yum clean all
 ln -s /usr/bin/chromium-browser /usr/bin/google-chrome