old_contents: import $ from 'jquery';
  
  export default function findTooltip(selector) {
  
    if (!selector) { // In case of passing null, undefined, etc
      selector = '.ember-tooltip, .ember-popover';
    }
  
    /* We .find() tooltips from $body instead of using ember-test-helper's
    find() method because tooltips and popovers are often rendered as
    children of <body> instead of children of the $targetElement */
  
    const $body = $(document.body);
    let $tooltip = $body.find(selector);
  
    if ($tooltip.length && $tooltip.hasClass('ember-tooltip-base')) {
      const $target = $tooltip.parents('.ember-tooltip-target, .ember-popover-target');
      $tooltip = $body.find(`#${$target.attr('aria-describedby')}`);
    }
  
    if ($tooltip.length && !$tooltip.hasClass('ember-tooltip') && !$tooltip.hasClass('ember-popover')) {
      throw Error(`getTooltipFromBody(): returned an element that is not a tooltip`);
    } else if ($tooltip.length > 1) {
      console.warn(`getTooltipFromBody(): Multiple tooltips were found. Consider passing { selector: '.specific-tooltip-class' }`);
    }
  
    return $tooltip;
  }
  
new_contents: import $ from 'jquery';
  
  export default function findTooltip(selector) {
  
    if (!selector) { // In case of passing null, undefined, etc
      selector = '.ember-tooltip, .ember-popover';
    }
  
    /* We .find() tooltips from $body instead of using ember-test-helper's
    find() method because tooltips and popovers are often rendered as
    children of <body> instead of children of the $targetElement */
  
    const $body = $(document.body);
    let $tooltip = $body.find(selector);
  
    if ($tooltip.length && $tooltip.hasClass('ember-tooltip-base')) {
      /* If what we find is the actually the tooltip component's element, we can
       * look up the intended tooltip by the element referenced by its target
       * element's aria-describedby attribute.
       */
      const $target = $tooltip.parents('.ember-tooltip-target, .ember-popover-target');
      $tooltip = $body.find(`#${$target.attr('aria-describedby')}`);
    }
  
    if ($tooltip.length && !$tooltip.hasClass('ember-tooltip') && !$tooltip.hasClass('ember-popover')) {
      throw Error(`getTooltipFromBody(): returned an element that is not a tooltip`);
    } else if ($tooltip.length > 1) {
      console.warn(`getTooltipFromBody(): Multiple tooltips were found. Consider passing { selector: '.specific-tooltip-class' }`);
    }
  
    return $tooltip;
  }
  
subject: Add comment around tooltip lookup based on component class