add tests for new statistics and fact notification status functions

app/dao/date_util.py

@@ -11,7 +11,7 @@ def get_months_for_financial_year(year):
             get_months_for_year(4, 13, year) +
             get_months_for_year(1, 4, year + 1)
         )
-        if month < datetime.now()
+        if convert_bst_to_utc(month) < datetime.now()
     ]
 
 

app/dao/fact_notification_status_dao.py

@@ -8,7 +8,7 @@ from sqlalchemy.types import DateTime
 
 from app import db
 from app.models import Notification, NotificationHistory, FactNotificationStatus
-from app.utils import convert_bst_to_utc, get_london_midnight_in_utc, get_london_month_from_utc_column
+from app.utils import convert_bst_to_utc, get_london_midnight_in_utc
 
 
 def fetch_notification_status_for_day(process_day, service_id=None):

app/dao/services_dao.py

@@ -34,9 +34,7 @@ from app.models import (
     EMAIL_TYPE,
     INTERNATIONAL_SMS_TYPE,
     KEY_TYPE_TEST,
-    NOTIFICATION_STATUS_TYPES,
     SMS_TYPE,
-    TEMPLATE_TYPES,
     LETTER_TYPE,
 )
 from app.utils import get_london_month_from_utc_column, get_london_midnight_in_utc