Make PDF smoke test independent of Google

Change-Id: If7d25241d13ac008102d7d813cac63443b1e2077
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 09666ca..472002e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -192,8 +192,8 @@
     - end_section install_r_packages
 
     - start_section testing_html2pdf "Testing PDF export"
-    - ./ci/html2pdf https://google.com
-    - ls -l ./google.pdf
+    - ./ci/html2pdf ci/html2pdf-smoke.html /tmp/html2pdf-smoke.pdf
+    - qpdf --check /tmp/html2pdf-smoke.pdf
     - end_section testing_html2pdf
 
   script: