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/QtCore/qabs_test.py

@@ -0,0 +1,20 @@
+
+import unittest
+
+from PySide import QtCore
+
+
+class QAbsTest(unittest.TestCase):
+    '''Tests for QtCore.qAbs'''
+
+    def testBasic(self):
+        def check(x):
+            self.assertEqual(QtCore.qAbs(x), abs(x))
+
+        check(0)
+        check(-10)
+        check(10)
+
+
+if __name__ == '__main__':
+    unittest.main()