TT#122872 selenium: fix one instance of invalid xpath syntax

Change-Id: Ib4b44442303ad5c842ff7f63443e0023ef1427e1

t/selenium/testrun.py

@@ -477,7 +477,7 @@ class testrun(unittest.TestCase):
         driver.find_element_by_xpath('//*[@id="q-app"]/div//main//div//table/tbody/tr[1]/td[9]/span').click()
         driver.implicitly_wait(1)
         if len(driver.find_elements_by_xpath('/html/body//div[@class="q-item__label"][contains(., "Locked")]')) == 0:
-            driver.find_element_by_xpath('/html/body//div//label//').click()
+            driver.find_element_by_xpath('/html/body/div[4]/label').click()
         driver.implicitly_wait(10)
         driver.find_element_by_xpath('/html/body//div[@class="q-item__label"][contains(., "Locked")]').click()
         wait_for_invisibility(driver, '/html/body//div[@class="q-virtual-scroll__content"]')