Unit tests ema

* adds unit tests for ema forms

ema/forms.py

@@ -76,7 +76,7 @@ class NewEmaForm(AbstractCompensationForm, CompensationResponsibleFormMixin, Pik
             )
 
             # Finally create main object
-            acc = Ema.objects.create(
+            ema = Ema.objects.create(
                 identifier=identifier,
                 title=title,
                 responsible=responsible,
@@ -87,16 +87,16 @@ class NewEmaForm(AbstractCompensationForm, CompensationResponsibleFormMixin, Pik
             )
 
             # Add the creating user to the list of shared users
-            acc.share_with_user(user)
+            ema.share_with_user(user)
 
             # Add the log entry to the main objects log list
-            acc.log.add(action)
+            ema.log.add(action)
 
         # Process the geometry form (NOT ATOMIC TRANSACTION DUE TO CELERY!)
         geometry = geom_form.save(action)
-        acc.geometry = geometry
-        acc.save()
-        return acc
+        ema.geometry = geometry
+        ema.save()
+        return ema
 
 
 class EditEmaForm(NewEmaForm):