Move terrain module from lms to common.

lms/djangoapps/portal/features/registration.py

 from lettuce import world, step
 
-
 @step('I register for the course numbered "([^"]*)"$')
 def i_register_for_the_course(step, course):
     courses_section = world.browser.find_by_css('section.courses')
-    course_link_css = 'article[id*="%s"] a' % course
+    course_link_css = 'article[id*="%s"] > div' % course
     course_link = courses_section.find_by_css(course_link_css).first
     course_link.click()
 
@@ -14,14 +13,13 @@ def i_register_for_the_course(step, course):
 
     assert world.browser.is_element_present_by_css('section.container.dashboard')
 
-
 @step(u'I should see the course numbered "([^"]*)" in my dashboard$')
 def i_should_see_that_course_in_my_dashboard(step, course):
     course_link_css = 'section.my-courses a[href*="%s"]' % course
     assert world.browser.is_element_present_by_css(course_link_css)
 
-
 @step(u'I press the "([^"]*)" button in the Unenroll dialog')
 def i_press_the_button_in_the_unenroll_dialog(step, value):
     button_css = 'section#unenroll-modal input[value="%s"]' % value
     world.browser.find_by_css(button_css).click()
+    assert world.browser.is_element_present_by_css('section.container.dashboard')