Refactored lettuce test of capa problems to use

world.css_click() helper instead of directly
calling splinter.

common/djangoapps/terrain/steps.py

@@ -9,6 +9,7 @@ from bs4 import BeautifulSoup
 import time
 import re
 import os.path
+from selenium.common.exceptions import WebDriverException
 
 from logging import getLogger
 logger = getLogger(__name__)
@@ -214,3 +215,15 @@ def save_the_course_content(path='/tmp'):
     f = open('%s/%s' % (path, filename), 'w')
     f.write(output)
     f.close
+
+@world.absorb
+def css_click(css_selector):
+    try:
+        world.browser.find_by_css(css_selector).click()
+
+    except WebDriverException:
+        # Occassionally, MathJax or other JavaScript can cover up
+        # an element  temporarily.
+        # If this happens, wait a second, then try again
+        time.sleep(1)
+        world.browser.find_by_css(css_selector).click()

lms/djangoapps/courseware/features/problems.py

 from lettuce import world, step
 from lettuce.django import django_url
-from selenium.webdriver.support.ui import Select
-from selenium.common.exceptions import WebDriverException
 import random
 import textwrap
 import time
@@ -208,20 +206,12 @@ def answer_problem(step, problem_type, correctness):
 
 @step(u'I check a problem')
 def check_problem(step):
-    try:
-        world.browser.find_by_css("input.check").click()
-
-    except WebDriverException:
-        # Occassionally, MathJax or other JavaScript can cover up
-        # the 'Check' input temporarily.
-        # If this happens, wait a second, then try again
-        time.sleep(1)
-        world.browser.find_by_css("input.check").click()
+    world.css_click("input.check")
 
 
 @step(u'I reset the problem')
 def reset_problem(step):
-    world.browser.find_by_css('input.reset').click()
+    world.css_click('input.reset')
 
 
 @step(u'My "([^"]*)" answer is marked "([^"]*)"')