fix sh part of test suite

test/images/blankpage.svg

@@ -1,3 +1,58 @@
-<svg version="1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 595 842">
-	<path stroke="#fff" fill="#fff" d="M0 0h595v842H0z"/>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1"
+   viewBox="0 0 793.70079 1122.5197"
+   id="svg4"
+   sodipodi:docname="blankpage.svg"
+   width="210mm"
+   height="297mm"
+   inkscape:version="0.92.1 r15371">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1052"
+     id="namedview6"
+     showgrid="false"
+     units="mm"
+     inkscape:document-units="mm"
+     inkscape:zoom="0.28028504"
+     inkscape:cx="308.20339"
+     inkscape:cy="421"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <path
+     d="M 0,280.51969 H 595 V 1122.5197 H 0 Z"
+     id="path2"
+     inkscape:connector-curvature="0"
+     style="fill:#ffffff;stroke:#ffffff" />
 </svg>

test/test_formats.sh

@@ -10,11 +10,11 @@ set -e
 
 # poppler / pdfload reference image
 poppler=$test_images/blankpage.pdf
-poppler_ref=$test_images/blankpage.png
+poppler_ref=$test_images/blankpage.pdf.png
 
 # rsvg / svgload reference image
 rsvg=$test_images/blankpage.svg
-rsvg_ref=$test_images/blankpage.png
+rsvg_ref=$test_images/blankpage.svg.png
 
 # giflib / gifload reference image
 giflib=$test_images/trans-x.gif