ECOM-1590 adding new field in advance_settings.

common/lib/xmodule/xmodule/course_module.py

@@ -856,6 +856,16 @@ class CourseFields(object):
         scope=Scope.settings
     )
 
+    minimum_grade_credit = Float(
+        display_name=_("Minimum Grade for Credit"),
+        help=_(
+            "The minimum grade that a learner must earn to receive credit in the course, "
+            "as a decimal between 0.0 and 1.0. For example, for 75%, enter 0.75."
+        ),
+        default=0.8,
+        scope=Scope.settings,
+    )
+
 
 class CourseModule(CourseFields, SequenceModule):  # pylint: disable=abstract-method
     """

common/test/acceptance/pages/studio/settings_advanced.py

@@ -199,4 +199,5 @@ class AdvancedSettingsPage(CoursePage):
             'annotation_storage_url',
             'social_sharing_url',
             'teams_configuration',
+            'minimum_grade_credit',
         ]