add POST response tests

assert that the response for emails and sms is formatted as expected

also moved schemas into subdirectory to make folder more legible

tests/app/public_contracts/test_POST_notification.py

@@ -0,0 +1,44 @@
+from flask import json
+
+from . import validate
+from tests import create_authorization_header
+
+
+def test_post_sms_contract(client, mocker, sample_template):
+    mocker.patch('app.celery.tasks.send_sms.apply_async')
+    mocker.patch('app.encryption.encrypt', return_value="something_encrypted")
+
+    data = {
+        'to': '07700 900 855',
+        'template': str(sample_template.id)
+    }
+
+    auth_header = create_authorization_header(service_id=sample_template.service_id)
+
+    response = client.post(
+        path='/notifications/sms',
+        data=json.dumps(data),
+        headers=[('Content-Type', 'application/json'), auth_header]
+    )
+
+    validate(response.get_data(as_text=True), 'POST_notification_return_sms.json')
+
+
+def test_post_email_contract(client, mocker, sample_email_template):
+    mocker.patch('app.celery.tasks.send_sms.apply_async')
+    mocker.patch('app.encryption.encrypt', return_value="something_encrypted")
+
+    data = {
+        'to': 'foo@bar.com',
+        'template': str(sample_email_template.id)
+    }
+
+    auth_header = create_authorization_header(service_id=sample_email_template.service_id)
+
+    response = client.post(
+        path='/notifications/email',
+        data=json.dumps(data),
+        headers=[('Content-Type', 'application/json'), auth_header]
+    )
+
+    validate(response.get_data(as_text=True), 'POST_notification_return_email.json')