From cb66edd5b53fdcc75f002a24e6750866c4fccc6a Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Tue, 2 Feb 2021 13:59:37 +1300
Subject: [PATCH] Fix for ReportTest when launching a pdf

---
 CRM/Utils/PDF/Utils.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CRM/Utils/PDF/Utils.php b/CRM/Utils/PDF/Utils.php
index 7ea2bcf12f..526202cb7c 100644
--- a/CRM/Utils/PDF/Utils.php
+++ b/CRM/Utils/PDF/Utils.php
@@ -193,7 +193,9 @@ class CRM_Utils_PDF_Utils {
     }
     // CRM-19183 remove .pdf extension from filename
     $fileName = basename($fileName, ".pdf");
-    if (CIVICRM_UF === 'UnitTests') {
+    if (CIVICRM_UF === 'UnitTests' && headers_sent()) {
+      // Streaming content will 'die' in unit tests unless ob_start()
+      // has been called.
       throw new CRM_Core_Exception_PrematureExitException('_html2pdf_dompdf called', [
         'html' => $html,
         'fileName' => $fileName,
-- 
2.25.1