fix (content): #378 No heading without activity

content-src/components/ActivityFeed/ActivityFeed.js

@@ -155,7 +155,7 @@ const GroupedActivityFeed = React.createClass({
       });
     const groupedSites = groupSitesByDate(sites);
     return (<div className="grouped-activity-feed">
-      {this.props.title &&
+      {sites.length > 0 && this.props.title &&
         <h3 className="section-title">{this.props.title}</h3>
       }
       {Array.from(groupedSites.keys()).map(date => {

content-test/components/ActivityFeed.test.js

@@ -127,6 +127,10 @@ describe("GroupedActivityFeed", function() {
       // ActivityFeed per site.
       assert.equal(children.length, fakeSites.length);
     });
+    it("shouldn't render title if there are no sites", () => {
+      const item = TestUtils.renderIntoDocument(<GroupedActivityFeed sites={[]} title="Fake Title" />);
+      assert.isNull(ReactDOM.findDOMNode(item).querySelector(".section-title"));
+    });
   });
 });