816 - Change "Prepare to send" button text

app/templates/views/templates/_template.html

@@ -19,7 +19,7 @@
       <div class="usa-button-group">
         {% if current_user.has_permissions('send_messages', restrict_admin_usage=True) %}
             <a href="{{ url_for(".set_sender", service_id=current_service.id, template_id=template.id) }}" class="usa-button usa-pill-separate-item">
-              Prepare to send<span class="usa-sr-only"> a message using this template</span>
+              Use this template
             </a>
         {% endif %}
         {% if current_user.has_permissions('manage_templates') %}

tests/app/main/views/test_templates.py

@@ -545,7 +545,7 @@ def test_user_with_only_send_and_view_redirected_to_set_sender_for_one_off(
         (
             ["send_messages", "manage_templates"],
             [
-                (".set_sender", "Prepare to send a message using this template"),
+                (".set_sender", "Use this template"),
                 (".edit_service_template", "Edit"),
             ],
             None,