diff --git a/test/testdata/quad_two_tet10.xmf b/test/testdata/quad_two_tet10.xmf
new file mode 100644
index 0000000..a831814
--- /dev/null
+++ b/test/testdata/quad_two_tet10.xmf
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Xdmf xmlns:xi="http://www.w3.org/2001/XInclude" Version="2.1">
+  <Domain>
+    <Grid CollectionType="Temporal" GridType="Collection" Name="Collection">
+      <Grid Name="Grid">
+        <Geometry Type="XYZ">
+          <Time Value="0"/>
+          <DataItem DataType="Float" Dimensions="20 3" Format="XML" Precision="8">
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+            1.0 0.0 0.0
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+            1.5 1.5 1.0
+            1.0 1.5 1.0
+            1.0 1.0 1.5
+            1.5 1.0 1.5
+            1.0 1.5 1.5
+          </DataItem>
+        </Geometry>
+        <Topology TopologyType="Mixed" NumberOfElements="2" >
+          <DataItem Format="XML" DataType="Int" Dimensions="2 11">
+              38  0 1 2 3 4 5 6 7 8 9
+              38  10 11 12 13 14 15 16 17 18 19
+            </DataItem>
+        </Topology>
+      </Grid>
+    </Grid>
+  </Domain>
+</Xdmf>