Course Image Size Update

Update the image resolution and size we store in discovery for course
EDUCATOR-2041

course_discovery/apps/core/tests/helpers.py

@@ -17,6 +17,6 @@ def make_image_stream(width, height):
     return bio
 
 
-def make_image_file(name, width=2120, height=1192):
+def make_image_file(name, width=1134, height=675):
     image_stream = make_image_stream(width, height)
     return SimpleUploadedFile(name, image_stream.getvalue(), content_type='image/jpeg')

course_discovery/apps/course_metadata/models.py

@@ -351,8 +351,8 @@ class Course(TimeStampedModel):
         blank=True,
         null=True,
         variations={
-            'original': (2120, 1192),
-            'small': (318, 178)
+            'original': (1134, 675),
+            'small': (378, 225)
         },
         help_text=_('Add the course image')
     )