New course cannot be started till web certificate is active

fixed broken test

changes based on feedback on 6/24

fixed broken unit test after feedback changes

added more checks and updated tests

fixed broken bok choy test

Fixed pylint quality error

trying to fix pylint quality error

cms/djangoapps/models/settings/course_details.py

@@ -8,7 +8,7 @@ from django.conf import settings
 
 from opaque_keys.edx.locations import Location
 from xmodule.modulestore.exceptions import ItemNotFoundError
-from contentstore.utils import course_image_url
+from contentstore.utils import course_image_url, has_active_web_certificate
 from models.settings import course_grading
 from xmodule.fields import Date
 from xmodule.modulestore.django import modulestore
@@ -52,7 +52,8 @@ class CourseDetails(object):
         self.entrance_exam_minimum_score_pct = settings.FEATURES.get(
             'ENTRANCE_EXAM_MIN_SCORE_PCT',
             '50'
-        )  # minimum passing score for entrance exam content module/tree
+        )  # minimum passing score for entrance exam content module/tree,
+        self.has_cert_config = None  # course has active certificate configuration
 
     @classmethod
     def _fetch_about_attribute(cls, course_key, attribute):
@@ -84,6 +85,7 @@ class CourseDetails(object):
         course_details.language = descriptor.language
         # Default course license is "All Rights Reserved"
         course_details.license = getattr(descriptor, "license", "all-rights-reserved")
+        course_details.has_cert_config = has_active_web_certificate(descriptor)
 
         for attribute in ABOUT_ATTRIBUTES:
             value = cls._fetch_about_attribute(course_key, attribute)