Exclude *tests* folder in the tarball.
Exclude *tests* folder in the tarball.

It's not necessary to include this foler in the tarball,
otherwise it will cause RPM build errors when make rpm in
the internal repo:
Installed (but unpackaged) file(s) found.

tzhaoredhat/automation,puiterwijk/product-definition-center,maxamillion/product-definition-center,xychu/product-definition-center,tzhaoredhat/automation,tzhaoredhat/automation,pombredanne/product-definition-center,product-definition-center/product-definition-center,release-engineering/product-definition-center,release-engineering/product-definition-center,maxamillion/product-definition-center,tzhaoredhat/automation,release-engineering/product-definition-center,puiterwijk/product-definition-center,lao605/product-definition-center,maxamillion/product-definition-center,xychu/product-definition-center,pombredanne/product-definition-center,release-engineering/product-definition-center,product-definition-center/product-definition-center,product-definition-center/product-definition-center,pombredanne/product-definition-center,lao605/product-definition-center,puiterwijk/product-definition-center,product-definition-center/product-definition-center,lao605/product-definition-center,xychu/product-definition-center,xychu/product-definition-center,lao605/product-definition-center,pombredanne/product-definition-center