Add a space between test group iname and result summary (issue 3692).

pkg/unittest/html_enhanced_config.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * A simple unit test library for running tests in a browser.
  *
  * Provides enhanced HTML output with collapsible group headers
  * and other at-a-glance information about the test results.
  */
@@ skipping 174 matching lines @@
           te.elements.add(new Element.html("""
             <div>
               <div id='${safeGroup}'
                    class='unittest-group ${safeGroup} test${safeGroup}'>
                 <div ${_isIE ? "style='display:inline-block' ": ""}
                      class='unittest-row-status'>
                   <div class='$passFailClass'></div>
                 </div>
                 <div ${_isIE ? "style='display:inline-block' ": ""}>
                     ${test_.currentGroup}</div>
+                &nbsp;
                 <div ${_isIE ? "style='display:inline-block' ": ""}>
                     (${groupTestPassedCount}/${groupTotalTestCount})</div>
               </div>
             </div>"""));
 
           // 'safeGroup' could be empty
           var grp = (safeGroup == '') ? null : te.query('#${safeGroup}');
           if (grp != null){
             grp.on.click.add((_){
               var row = document.query('.unittest-row-${safeGroup}');
@@ skipping 200 matching lines @@
   .unittest-row-description
   {
   }
 
   ''';
 }
 
 void useHtmlEnhancedConfiguration([bool isLayoutTest = false]) {
   configure(new HtmlEnhancedConfiguration(isLayoutTest));
 }