TreeView_PopulateOnDemand
open /SystemWebAUT/TreeView.aspx
click //img[@alt='Expand pop.on.dem']
waitForTextPresent pop.on.dem_1-1
verifyTextPresent pop.on.dem_1-2
click //img[@alt='Expand pop.on.dem_1-1']
waitForTextPresent pop.on.dem_1-1_2-1
verifyTextPresent pop.on.dem_1-1_2-2
click //img[@alt='Expand pop.on.dem_1-1_2-1']
waitForTextPresent pop.on.dem_1-1_2-1_3-1
verifyTextPresent pop.on.dem_1-1_2-1_3-2
click Button1
waitForTextPresent pop.on.dem_1-1_2-1_3-1