adds test for mixed case

acceptance/mixed/spading/accept-mixed-spading.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -x # echo commands
+set -e # exit on first error
+set -u # Treat unset variables as error
+
+if [ $# -gt 0 ] ; then
+    src=$1/src
+else
+    src=${HOME}/refine/egads/src
+fi
+
+${src}/ref_fixture_test --prism prism.lb8.ugrid \
+		 0 1 0 1 0 1 \
+		 5 5 5 0
+
+${src}/ref_shard_test prism.lb8.ugrid 2 5
+
+${src}/ref translate ref_shard_test.b8.ugrid mixed01.lb8.ugrid
+
+${src}/ref adapt mixed01.lb8.ugrid \
+      --fun3d-mapbc mixed01.mapbc \
+      --spalding 0.01 100 \
+      -x mixed02.lb8.ugrid \
+      -x mixed02.plt -s 10
+