JimEvans: Race condition for showModalDialog() windows in IE should be resolved, so adding IE-specific showModalDialog() test back into the .NET test suite.
JimEvans: Race condition for showModalDialog() windows in IE should be resolved, so adding IE-specific showModalDialog() test back into the .NET test suite.

git-svn-id: aa1aa1384423cb28c2b1e29129bb3a91de1d9196@15811 07704840-8298-11de-bf8c-fd130f914ac9

jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2,jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2,yumingjuan/selenium,yumingjuan/selenium,yumingjuan/selenium,jmt4/Selenium2,jmt4/Selenium2,jmt4/Selenium2,jmt4/Selenium2,jmt4/Selenium2