Mocha adapter for Polymer browser tests.

chrome/test/data/webui/foo_bar_browsertest.js

+// Sample test file, not for checkin.
+
+function FooBarBrowserTest() {}
+
+FooBarBrowserTest.prototype = {
+  __proto__: testing.Test.prototype,
+
+  browsePreload: 'chrome://web-component-test/',
+
+  isAsync: true,
+};
+
+// Run tests against FooBar. Batch them into one TEST_F to save time.
+TEST_F('FooBarBrowserTest', 'FooBarTest', function() {
+  suite('FooBarTest', function() {
+    suite('Foo Behavior', function() {
+      test('Behaves as expected', function() {
+        assertTrue(true, 'should have been true');
+        assertFalse(false, 'should have been false');
+      });
+
+      test('Does not behave unexpectedly', function() {
+        assertEquals(1, 2, 'two should equal one');
+        assertEquals(2, 1, 'one should equal two');
+      });
+    });
+
+    suite('Bar Behavior', function() {
+      test('Works well with others', function() {});
+    });
+  });
+
+  // Kick off the tests.
+  mocha.run();
+});