fix the build

test/javascripts/acceptance/admin-search-log-term-test.js.es6

@@ -5,6 +5,6 @@ QUnit.test("show search log term details", assert => {
   visit("/admin/logs/search_logs/term/ruby");
   andThen(() => {
     assert.ok($('div.search-logs-filter').length, "has the search type filter");
-    assert.ok(exists('iframe.chartjs-hidden-iframe'), "has graph iframe");
+    assert.ok(exists('canvas.chartjs-render-monitor'), "has graph canvas");
   });
 });