Updating the page title attribute on text message conversations

Changing to "Received text message"

app/templates/views/conversations/conversation.html

@@ -3,7 +3,7 @@
 {% extends "withnav_template.html" %}
 
 {% block service_page_title %}
-  {{ user_number }}
+  Received text message
 {% endblock %}
 
 {% block maincolumn_content %}

tests/app/main/views/test_conversation.py

@@ -95,6 +95,14 @@ def test_view_conversation(
         'main.conversation',
         service_id=SERVICE_ONE_ID,
         notification_id=fake_uuid,
+        _test_page_title=False,
+    )
+
+    assert normalize_spaces(page.select_one('title').text) == (
+        'Received text message – service one – GOV.UK Notify'
+    )
+    assert normalize_spaces(page.select_one('h1').text) == (
+        '07123 456789'
     )
 
     messages = page.select('.sms-message-wrapper')
@@ -223,6 +231,7 @@ def test_view_conversation_with_empty_inbound(
         'main.conversation',
         service_id=SERVICE_ONE_ID,
         notification_id=fake_uuid,
+        _test_page_title=False,
     )
 
     messages = page.select('.sms-message-wrapper')
@@ -242,6 +251,7 @@ def test_conversation_links_to_reply(
         'main.conversation',
         service_id=SERVICE_ONE_ID,
         notification_id=fake_uuid,
+        _test_page_title=False,
     )
 
     assert page.select('main p')[-1].select_one('a')['href'] == (