update sba testing (and fix others)

longs/tests/test_longs_exams.py

@@ -74,19 +74,19 @@ def create_long_series(question, image_number=5):
     series.save()
 
     for n in range(image_number):
-        create_long_series_image(series)
+        create_long_series_image(series, n)
 
     return series
 
 
-def create_long_series_image(series):
+def create_long_series_image(series, n=0):
     image = tempfile.NamedTemporaryFile(
-        dir=settings.MEDIA_ROOT, suffix=".jpg", delete=False
+        dir=settings.MEDIA_ROOT, suffix="{n}.jpg", delete=False
     )
 
-    long_series_image = LongSeriesImage.objects.create(image=image.name, series=series)
+    long_series_image = LongSeriesImage(image=image.name, series=series)
 
-    # long_series_image.save()
+    long_series_image.save()
 
 
 def create_question(exam, answer=None, normal=False):