Add unit test for fractionDigit. Fixes https://github.com/ibm-js/deliteful/issues/126
Add unit test for fractionDigit. Fixes https://github.com/ibm-js/deliteful/issues/126

brunano21/deliteful,harbalk/deliteful,harbalk/deliteful,kitsonk/deliteful,cjolif/deliteful,tkrugg/deliteful,EAlexRojas/deliteful,tkrugg/deliteful,EAlexRojas/deliteful,brunano21/deliteful,kitsonk/deliteful,cjolif/deliteful