highlight-symbol-usages
open /component/index?id=sample-with-highlighting%3Asrc%2Fmain%2Fxoo%2Fsample%2FSample.xoo
waitForElementPresent css=.source-line
waitForXpathCount //span[contains(@class, 'sym')] 3
waitForXpathCount //span[contains(@class, 'sym highlighted')] 0
click //span[contains(@class, 'sym')][2]
waitForXpathCount //span[contains(@class, 'sym highlighted')] 2