TT#70901 selenium: Fix for call forward menu not always opening reliably

Change-Id: I8de8d5757ec8e8ca2b8515b22301292f5c29624c

t/selenium/testrun.py

@@ -149,7 +149,9 @@ class testrun(unittest.TestCase):
             len(driver.find_elements_by_xpath('//*[@id="csc-page-call-forwarding"]')) > 0, "Conference page wasnt opened")
         print("OK")
         print("Create a call forwarding 'if available'...", end="")
-        wait_for_invisibility(driver, '//*[@id="csc-page-call-forwarding"]/div[1]/button/span[3]/svg[@class="q-spinner text-primary"')
+        WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.XPATH, '//*[@id="csc-page-call-forwarding"]//div//button[contains(., "Add forwarding")]')))
+        time.sleep(1)
+        wait_for_invisibility(driver, '//*[@id="csc-page-call-forwarding"]/div[1]/button/span[3]/svg[@class="q-spinner text-primary]"')
         time.sleep(1)
         click_js(driver, '//*[@id="csc-page-call-forwarding"]//div//button[contains(., "Add forwarding")]')
         click_js(driver, '/html/body/div[3]/div/div[3]')