Add PIV tests.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

tests/scripts/version.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+source ./tests/scripts/func.sh
+
+# Get version
+echo -n "  Test version... "
+e=$(piv version 2>&1)
+test $? -eq 0 && echo -n "." || exit $?
+grep -q "Application version" <<< $e && echo -n "." || exit $?
+grep -q " found" <<< $e && echo -e ".\t${OK}" || exit $?