Tidak dapat mengklik SubMenu menggunakan driver web Selenium

Saya sedang menjajaki opsi untuk mengotomatiskan aplikasi UI. Saya memiliki menu yang akan menampilkan sub menu saat mouse di atas. Saya tidak dapat mengklik item Sub menu.

Di bawah ini adalah kode html saya.

<table class="mnuAdmin_2" id="mnuAdmin" border="0" cellspacing="0" cellpadding="0">
    <tbody>
        <tr>    
            <td id="mnuAdminn0" 
                onmouseover="Menu_HoverStatic(this)" 
                onmouseout="Menu_Unhover(this)" onkeyup="Menu_Key(this)">

                <table width="100%" border="0" cellspacing="0" cellpadding="0"> 
                    <tbody>
                       <tr>         
                            <td style="white-space: nowrap;">
                              <a class="mnuAdmin_1" style="cursor: text;" href="/id#">
                                 <img style="vertical-align: middle;
                                             border-top-style: none; 
                                             border-right-style: none; 
                                             border-bottom-style: none; 
                                             border-left-style: none;" 
                                      alt="" 
                                      src="Images/icon_administration.gif" />
                                Administration</a>
                            </td>           
                        </tr>       
                    </tbody>
                </table>
            </td>
        </tr>
    </tbody>
</table>
<div class="mnuAdmin_0 dynamicMenu mnuAdmin_5" 
     id="mnuAdminn0Items" 
     style="left: 165px; 
            top: 23px; 
            height: 101px; 
            display: inline; 
            visibility: visible; 
            z-index: 100; 
            clip: rect(auto, auto, auto, auto);">
    <table style="top: 0px;" border="0" cellspacing="0" cellpadding="0">
        <tbody>
            <tr style="height: 1px;">       
                <td></td>   
            </tr>
            <tr title="Test1" 
                id="mnuAdminn1" 
                onmouseover="Menu_HoverDynamic(this)" 
                onmouseout="Menu_Unhover(this)" onkeyup="Menu_Key(this)">       
                <td>
                    <table width="100%" 
                           class="mnuAdmin_4" 
                           border="0" 
                           cellspacing="0" 
                           cellpadding="0">         
                        <tbody>
                            <tr>                
                                <td style="width: 100%; 
                                           white-space: nowrap;">
                                    <a class="mnuAdmin_1 mnuAdmin_3" 
                                       href="/idjavascript:openNewTabs(' Test1.aspx', 
                                                                    ' Test1',
                                                                    ' Test1',
                                                                      false)">
                                        <div class="menuPadding">
                                            Test1
                                        </div>
                                    </a>
                                </td>           
                            </tr>           
                        </tbody>
                    </table>
                </td>       
            </tr>
            <tr style="height: 1px;">       
                <td></td>   
            </tr>
            <tr style="height: 1px;">       
                <td></td>   
            </tr>
            <tr title="Manage NICE Group" 
                id="mnuAdminn2" 
                onmouseover="Menu_HoverDynamic(this)" 
                onmouseout="Menu_Unhover(this)" 
                onkeyup="Menu_Key(this)">       
                <td>
                    <table width="100%" 
                           class="mnuAdmin_4" 
                           border="0" 
                           cellspacing="0" 
                           cellpadding="0">         
                        <tbody>
                            <tr>                
                                <td style="width: 100%; white-space: nowrap;">
                                    <a class="mnuAdmin_1 mnuAdmin_3"
                                       href="/idjavascript:openNewTabs('Test2.aspx',
                                                                    'Test2',
                                                                    'Test2',
                                                                     false)">
                                        <div class="menuPadding">
                                            Test2
                                        </div>
                                    </a>
                                </td>           
                            </tr>       
                        </tbody>
                    </table>
                </td>   
            </tr>
            <tr style="height: 1px;">       
                <td></td>   
            </tr>
            <tr style="height: 1px;">       
                <td></td>   
            </tr>
            <tr id="mnuAdminn3" 
                onmouseover="Menu_HoverDynamic(this)" 
                onmouseout="Menu_Unhover(this)" 
                onkeyup="Menu_Key(this)">   
                <td>
                    <table width="100%" 
                           class="mnuAdmin_4" 
                           border="0" 
                           cellspacing="0" 
                           cellpadding="0">         
                        <tbody>
                            <tr>                
                                <td style="width: 100%; white-space: nowrap;">
                                    <a class="mnuAdmin_1 mnuAdmin_3" 
                                       style="cursor: text;" 
                                       href="/id#">
                                        <div class="menuPadding">
                                            Test3
                                        </div>
                                    </a>
                                </td>
                                <td style="width: 0px;">
                                    <img style="vertical-align: middle; 
                                                border-top-style: none; 
                                                border-right-style: none; 
                                                border-bottom-style: none; 
                                                border-left-style: none;" 
                                         alt="Expand" 
                                         src="/abc/WebResource.axd?
                                             d=Q47Az1X7LOaP01DStAi2pDvM8t2PM3
                                               zBTfT7Sah9glcZvljgU_O4sclltCDWejo
                                               5HwZg0ZVGfOiJikirBgVVmAah_spY2-
                                               yjejh4oSaW2XbzOqmK0&t=635294807132453548" />
                                </td>       
                            </tr>       
                        </tbody>
                    </table>
                </td>   
            </tr>
            <tr style="height: 1px;">   
                <td></td>   
            </tr>
            <tr style="height: 1px;"> 
            </tr>
        </tbody>
    </table>
</div>

Saya telah mencoba mengikuti dua opsi.

1. var elemen = driverIE.FindElement(By.LinkText("Administrasi")); Tindakan tindakan = Tindakan baru(driverIE);

       action.MoveToElement(element).Build().Perform();
       driverIE.FindElement(By.LinkText("Test2")).Click();