Changes following review:

- Check if right keys in new history rows
- Improve model and get rid of old revision version
- Add updated migration file
- Test data when inserting into inbound sms history

migrations/versions/0311_add_inbound_sms_history.py

@@ -2,7 +2,7 @@
 
 Revision ID: 0311_add_inbound_sms_history
 Revises: 0310_returned_letters_table
-Create Date: 2019-12-17 11:02:17.572689
+Create Date: 2019-12-20 15:38:53.358509
 
 """
 from alembic import op
@@ -14,7 +14,6 @@ down_revision = '0310_returned_letters_table'
 
 
 def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('inbound_sms_history',
     sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
     sa.Column('created_at', sa.DateTime(), nullable=False),
@@ -27,11 +26,8 @@ def upgrade():
     sa.PrimaryKeyConstraint('id')
     )
     op.create_index(op.f('ix_inbound_sms_history_service_id'), 'inbound_sms_history', ['service_id'], unique=False)
-    # ### end Alembic commands ###
 
 
 def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
     op.drop_index(op.f('ix_inbound_sms_history_service_id'), table_name='inbound_sms_history')
     op.drop_table('inbound_sms_history')
-    # ### end Alembic commands ###