Update c3.min.js and fix spec

c3.js

@@ -3437,7 +3437,7 @@
                 text = "<table class='" + CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
             }
 
-            name = nameFormat(d[i].name);
+            name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index);
             value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
             bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
 

spec/legend-spec.js

@@ -19,7 +19,7 @@ describe('c3 chart legend', function () {
 
     beforeEach(function (done) {
         if (typeof chart === 'undefined') {
-            initDom();
+            window.initDom();
         }
         chart = window.c3.generate(args);
         d3 = chart.internal.d3;