Add captions to tables

Co-authored-by: Tom Byers <tombaromba@gmail.com>

app/templates/views/performance.html

@@ -55,6 +55,7 @@
   <div class="dashboard-table">
     {% call(item, row_number) list_table(
       notifications_by_type,
+      caption='Messages sent since May 2016',
       caption_visible=False,
       field_headings=[
         'Date',
@@ -97,6 +98,7 @@
   <div class="dashboard-table">
     {% call(item, row_number) list_table(
       processing_time | reverse,
+      caption='Messages sent within 10 seconds',
       caption_visible=False,
       field_headings=[
         'Date', 'Percentage'
@@ -133,6 +135,7 @@
   <div class="dashboard-table">
     {% call(item, row_number) list_table(
       organisations_using_notify,
+      caption='Organisations using Notify',
       caption_visible=False,
       field_headings=[
         'Organisation', 'Number of live services'

tests/app/main/views/test_performance.py

@@ -122,6 +122,7 @@ def test_should_render_performance_page(
         '987.7 million text messages '
         '1.2 million letters '
         ''
+        'Messages sent since May 2016 '
         'Date Emails Text messages Letters '
         '21 February 2021 1,234,567 123,456 123 '
         '22 February 2021 1 2 3 '
@@ -135,6 +136,7 @@ def test_should_render_performance_page(
         'Messages sent within 10 seconds '
         'Average '
         '96.8% on average '
+        'Messages sent within 10 seconds '
         'Date Percentage '
         '27 February 2021 98.6% '
         '26 February 2021 96.5% '
@@ -148,6 +150,7 @@ def test_should_render_performance_page(
         'Organisations using Notify '
         'Organisations 111 organisations '
         'Services 9,999 services '
+        'Organisations using Notify '
         'Organisation Number of live services '
         'Department of Examples and Patterns 2 '
         'Department of One Service 1'