def sign_in(self, email, password):
"""
Helper method sign_in(email, password) signs in with the provided email
address and password.
"""
self.email = email
self.click_next()
self.password = password
self.click_sign_in()
# should redirect to Account Manager (home, logged in) page
account_manager = AccountManager(self.mozwebqa)
account_manager.wait_for_page_to_load()
return account_manager
