Created new unittest model.

Separete unittest for module.
Only run unittest for compiled modules.

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>,
          Luciano Wolf <luciano.wolf@openbossa.org>

tests/run_test.sh

@@ -1,13 +1,13 @@
-#!/usr/bin/python
+#!/bin/sh
 
 # This is a nasty workaround of a CTest limitation
 # of setting the environment variables for the test.
 
 # $1: LD_LIBRARY_PATH
-# $2: $PYTHON_PATH
+# $2: $PYTHONPATH
 # $3: python executable
 # $4: test file
 
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$1
-export PYTHONPATH=$PYTHONPATH:$2
+export LD_LIBRARY_PATH=$1:$LD_LIBRARY_PATH
+export PYTHONPATH=$2:$PYTHONPATH
 $3 $4