diff --git a/test/functional/kaui/accounts_controller_test.rb b/test/functional/kaui/accounts_controller_test.rb
index 59eadc66..0e67bd41 100644
--- a/test/functional/kaui/accounts_controller_test.rb
+++ b/test/functional/kaui/accounts_controller_test.rb
@@ -294,6 +294,22 @@ class AccountsControllerTest < Kaui::FunctionalTestHelper
       assert_equal 'text/plain', @response.header['Content-Type']
     end
 
+    test 'should download accounts data' do
+      start_date = Date.today.strftime('%Y-%m-%d')
+      end_date = Date.today.strftime('%Y-%m-%d')
+      columns = %w[account_id name email bcd cba]
+      account = create_account(@tenant)
+
+      get :download, params: { startDate: start_date, endDate: end_date, allFieldsChecked: 'false', columnsString: columns.join(',') }
+      assert_response :success
+      assert_equal 'text/csv', @response.header['Content-Type']
+      assert_includes @response.header['Content-Disposition'], "filename=\"accounts-#{Date.today}.csv\""
+      assert_includes @response.body, account.account_id
+
+      csv = CSV.parse(@response.body, headers: true)
+      assert_equal %w[account_id name email bill_cycle_day_local account_cba], csv.headers
+    end
+
     private
 
     def redirected_account_id
diff --git a/test/functional/kaui/audit_logs_controller_test.rb b/test/functional/kaui/audit_logs_controller_test.rb
index 42ef1039..92ae4e89 100644
--- a/test/functional/kaui/audit_logs_controller_test.rb
+++ b/test/functional/kaui/audit_logs_controller_test.rb
@@ -61,6 +61,15 @@ class AuditLogsControllerTest < Kaui::FunctionalTestHelper
       end
     end
 
+    test 'should download audit logs data' do
+      get :download, params: { account_id: @account.account_id }
+      assert_response :success
+      assert_equal 'text/csv', @response.header['Content-Type']
+      assert_includes @response.header['Content-Disposition'], "filename=\"audit-logs-#{Date.today}.csv\""
+      assert_includes @response.body, @payment.payment_id
+      assert_includes @response.body, @account.account_id
+    end
+
     private
 
     def add_a_note(account)
diff --git a/test/functional/kaui/invoices_controller_test.rb b/test/functional/kaui/invoices_controller_test.rb
index cd629615..fc3f19a0 100644
--- a/test/functional/kaui/invoices_controller_test.rb
+++ b/test/functional/kaui/invoices_controller_test.rb
@@ -92,5 +92,21 @@ class InvoicesControllerTest < Kaui::FunctionalTestHelper
       assert_redirected_to account_invoice_path(@account.account_id, invoice_id)
       assert_equal 'Invoice successfully committed', flash[:notice]
     end
+
+    test 'should download invoices data' do
+      start_date = Date.today.strftime('%Y-%m-%d')
+      end_date = Date.today.strftime('%Y-%m-%d')
+      columns = %w[invoice_id currency status]
+      invoice = create_charge(@account, @tenant)
+
+      get :download, params: { startDate: start_date, endDate: end_date, allFieldsChecked: 'false', columnsString: columns.join(',') }
+      assert_response :success
+      assert_equal 'text/csv', @response.header['Content-Type']
+      assert_includes @response.header['Content-Disposition'], "filename=\"invoices-#{Date.today}.csv\""
+      assert_includes @response.body, invoice.invoice_id
+
+      csv = CSV.parse(@response.body, headers: true)
+      assert_equal columns, csv.headers
+    end
   end
 end
diff --git a/test/functional/kaui/payments_controller_test.rb b/test/functional/kaui/payments_controller_test.rb
index 36411fb8..61ab828f 100644
--- a/test/functional/kaui/payments_controller_test.rb
+++ b/test/functional/kaui/payments_controller_test.rb
@@ -60,5 +60,20 @@ class PaymentsControllerTest < Kaui::FunctionalTestHelper
       expected_response_path = "/accounts/#{@payment.account_id}/payments/#{@payment.payment_id}"
       assert response_path.include?(expected_response_path), "#{response_path} is expected to contain #{expected_response_path}"
     end
+
+    test 'should download payments data' do
+      start_date = Date.today.strftime('%Y-%m-%d')
+      end_date = Date.today.strftime('%Y-%m-%d')
+      columns = %w[payment_id auth currency capture purchase refund credit]
+
+      get :download, params: { startDate: start_date, endDate: end_date, allFieldsChecked: 'false', columnsString: columns.join(',') }
+      assert_response :success
+      assert_equal 'text/csv', @response.header['Content-Type']
+      assert_includes @response.header['Content-Disposition'], "filename=\"payments-#{Date.today}.csv\""
+      assert_includes @response.body, @payment.payment_id
+
+      csv = CSV.parse(@response.body, headers: true)
+      assert_equal %w[payment_id auth_amount currency captured_amount purchased_amount refunded_amount credited_amount], csv.headers
+    end
   end
 end