username の横にあるテキストボックスをクリックする必要があります。Webdriver を使用してこの Xpath を見つけることができません...助けてもらえますか?
ここにhtmlスニペットがあります：
<div id="form-1013-body" class="x-panel-body x-panel-body-default x-panel-body-default x-docked-noborder-top x-docked-noborder-right x-docked-noborder-bottom x-docked-noborder-left" style="padding: 0px; height: 108px; left: 0px; top: 0px; width: 376px;">
<span id="form-1013-outerCt" style="display: table; height: 100%;">
<div id="form-1013-innerCt" class="" style="display:table-cell;height:100%;vertical-align:top;padding:5px 5px 5px 5px">
<table id="textfield-1014" class="x-field x-table-plain x-form-item x-field-default x-anchor-form-item x-form-invalid" cellpadding="0" style="table-layout: auto;">
<tbody>
<tr id="textfield-1014-inputRow">
<td id="textfield-1014-labelCell" class="x-field-label-cell" width="205" valign="top" halign="right" style="">
<label id="textfield-1014-labelEl" class="x-form-item-label x-unselectable x-form-item-label-right" unselectable="on" style="width:200px;margin-right:5px;" for="textfield-1014-inputEl">Username:</label>
</td>
<td id="textfield-1014-bodyEl" class="x-form-item-body " role="presentation" colspan="1">
<input id="textfield-1014-inputEl" class="x-form-field x-form-required-field x-form-text x-form-invalid-field" type="text" autocomplete="off" name="username" aria-invalid="true">
</td>
<td id="textfield-1014-sideErrorCell" width="17" valign="middle" style="">
<div id="textfield-1014-errorEl" class="x-form-error-msg x-form-invalid-icon" style="" data-errorqtip="<ul class="x-list-plain"><li>This field is required</li></ul>">
<ul class="x-list-plain">
<li>This field is required</li>
</ul>
</div>
</td>
</tr>
</tbody>
</table>
<table id="textfield-1015" class="x-field x-table-plain x-form-item x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: auto;">
</div>
</span>