Hide the recipient table on send yourself a test

Send yourself a test is:
- a good way of explaining how placeholders work
- a useful tool for checking your work before you send a big batch

It’s not a good way of learning about the relationship between columns
in a spreadsheet and placeholders. The ‘example spreadsheet’ thing is
good at making that connection. The table on this page isn’t, because
it doesn’t _feel_ like you’re making a spreadsheet with the send
yourself a test feature (even though that’s what you’re doing in the
background). This will be even more the case when we stop putting the
input boxes horizontally on one page.

By removing the table from this page it makes the page simpler, which
allows people to focus on the important thing – what’s happening to
their message.

tests/app/main/views/test_send.py

@@ -282,6 +282,36 @@ def test_upload_valid_csv_shows_file_contents(
         assert normalize_spaces(str(page.select('table tbody td')[index])) == cell
 
 
+def test_send_test_doesnt_show_file_contents(
+    logged_in_client,
+    mocker,
+    mock_get_service_template_with_placeholders,
+    mock_s3_upload,
+    mock_get_users_by_service,
+    mock_get_detailed_service_for_today,
+    service_one,
+    fake_uuid,
+):
+
+    mocker.patch('app.main.views.send.s3download', return_value="""
+        phone number,name,thing,thing,thing
+        07700900986, Jo,  foo,  foo,  foo
+    """)
+
+    response = logged_in_client.post(
+        url_for('main.send_test', service_id=service_one['id'], template_id=fake_uuid),
+        data={},
+        follow_redirects=True,
+    )
+
+    assert response.status_code == 200
+    page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
+    assert page.select('h1')[0].text.strip() == 'Preview of Two week reminder'
+    assert len(page.select('table')) == 0
+    assert len(page.select('.banner-dangerous')) == 0
+    assert page.select('input[type=submit]')[0]['value'].strip() == 'Send 1 text message'
+
+
 def test_send_test_sms_message(
     logged_in_client,
     mocker,