Removes unnecessary period at end of comment

js/tests/index.html

@@ -54,7 +54,7 @@
     <script>
       // See https://github.com/axemclion/grunt-saucelabs#test-result-details-with-qunit
       var log = []
-      // Require assert.expect in each test.
+      // Require assert.expect in each test
       QUnit.config.requireExpects = true
       QUnit.done(function (testResults) {
         var tests = []