old_contents: function setupTestDisplay($){
    $('<a id="test-toggle">')
    .css({
      position: 'absolute',
      top:0,
      left:0,
      cursor:'pointer',
      font:'12px monaco'
    })
    .click(function(){
      var $mocha = $('#mocha');
      var $es = $('#ethersheet-container');
      var $styles = $('#mocha-styles');
      if($mocha.css('display')=='none'){
        $es.hide();
        $styles.attr('rel','stylesheet');
        $mocha.show();
        $(this).html('[X] Display Tests');
      } else {
        $mocha.hide();
        $styles.attr('rel','disabled');
        $es.show();
        $(this).html('[ ] Display Tests');
      } 
    })
    .text('[X] Display Tests')
    .prependTo('body')
  };
  
new_contents: function setupTestDisplay($){
    $('<a id="test-toggle">')
    .css({
      top:0,
      left:0,
      cursor:'pointer',
      font:'12px monaco',
      position: 'fixed',
      background: 'white',
      'box-shadow': '1px 1px 18px white',
      padding: '0 7px 3px 4px',
      'border-radius': '0 0 6px 0'
    })
    .click(function(){
      var $mocha = $('#mocha');
      var $es = $('#ethersheet-container');
      var $styles = $('#mocha-styles');
      if($mocha.css('display')=='none'){
        $es.hide();
        $styles.attr('rel','stylesheet');
        $mocha.show();
        $(this).html('[X] Display Tests');
      } else {
        $mocha.hide();
        $styles.attr('rel','disabled');
        $es.show();
        $(this).html('[ ] Display Tests');
      } 
    })
    .text('[X] Display Tests')
    .prependTo('body')
  };
  
subject: test display tweak