diff --git a/lighthouse-core/report/v2/renderer/report-renderer.js b/lighthouse-core/report/v2/renderer/report-renderer.js
index 1c9dc39c0cd0..56889559137c 100644
--- a/lighthouse-core/report/v2/renderer/report-renderer.js
+++ b/lighthouse-core/report/v2/renderer/report-renderer.js
@@ -274,7 +274,12 @@ class ReportRenderer {
 }
 
 if (typeof module !== 'undefined' && module.exports) {
-  module.exports = ReportRenderer;
+  module.exports = {
+    formatDateTime,
+    formatNumber,
+    calculateRating,
+    ReportRenderer
+  };
 }
 
 /** @typedef {{id: string, weight: number, score: number, result: {description: string, displayValue: string, helpText: string, score: number|boolean, details: DetailsRenderer.DetailsJSON|undefined}}} */
diff --git a/lighthouse-core/test/report/v2/renderer/dom-test.js b/lighthouse-core/test/report/v2/renderer/dom-test.js
index b1c711a20139..7f0a17357805 100644
--- a/lighthouse-core/test/report/v2/renderer/dom-test.js
+++ b/lighthouse-core/test/report/v2/renderer/dom-test.js
@@ -62,6 +62,12 @@ describe('DOM', () => {
       assert.ok(clone.querySelector('.lh-score'));
     });
 
+    it('should clone a template from a context scope', () => {
+      const heading = dom.cloneTemplate('#tmpl-lh-heading');
+      const items = dom.cloneTemplate('#tmpl-lh-env__items', heading);
+      assert.ok(items.querySelector('.lh-env__item'));
+    });
+
     it('fails when template cannot be found', () => {
       assert.throws(() => dom.cloneTemplate('#unknown-selector'));
     });
diff --git a/lighthouse-core/test/report/v2/renderer/report-renderer-test.js b/lighthouse-core/test/report/v2/renderer/report-renderer-test.js
index 5e76a9c399fc..b70843125432 100644
--- a/lighthouse-core/test/report/v2/renderer/report-renderer-test.js
+++ b/lighthouse-core/test/report/v2/renderer/report-renderer-test.js
@@ -15,7 +15,7 @@
  */
 'use strict';
 
-/* eslint-env mocha, browser */
+/* eslint-env mocha */
 
 const assert = require('assert');
 const fs = require('fs');
@@ -44,7 +44,7 @@ describe('ReportRenderer V2', () => {
       };
     };
     const document = jsdom.jsdom(TEMPLATE_FILE);
-    renderer = new ReportRenderer(document);
+    renderer = new ReportRenderer.ReportRenderer(document);
   });
 
   after(() => {
@@ -56,6 +56,29 @@ describe('ReportRenderer V2', () => {
     global.matchMedia = undefined;
   });
 
+  describe('format helpers', () => {
+    it('formats a date', () => {
+      const timestamp = ReportRenderer.formatDateTime(sampleResults.generatedTime);
+      assert.equal(timestamp, 'Apr 5, 2017, 3:41 PM PDT');
+    });
+
+    it('formats a number', () => {
+      assert.strictEqual(ReportRenderer.formatNumber(10), '10');
+      assert.strictEqual(ReportRenderer.formatNumber(100.01), '100');
+      assert.strictEqual(ReportRenderer.formatNumber(13000.456), '13,000.5');
+    });
+
+    it('calculates a score ratings', () => {
+      assert.equal(ReportRenderer.calculateRating(0), 'fail');
+      assert.equal(ReportRenderer.calculateRating(10), 'fail');
+      assert.equal(ReportRenderer.calculateRating(45), 'average');
+      assert.equal(ReportRenderer.calculateRating(55), 'average');
+      assert.equal(ReportRenderer.calculateRating(75), 'pass');
+      assert.equal(ReportRenderer.calculateRating(80), 'pass');
+      assert.equal(ReportRenderer.calculateRating(100), 'pass');
+    });
+  });
+
   describe('renderReport', () => {
     it('should render a report', () => {
       const container = renderer._dom._document.body;