Create unit test for bug #998.

Reviewed by: Hugo Parente <hugo.lima@openbossa.org>
             Lauro Neto <lauro.neto@openbossa.org>

tests/QtGui/bug_998.py

@@ -0,0 +1,10 @@
+import unittest
+from PySide.QtGui import QApplication
+
+class TestBug998 (unittest.TestCase):
+    def testNoFocusWindow(self):
+        widget = QApplication.focusWidget()
+        self.assertTrue(widget == None)
+
+if __name__ == '__main__':
+    unittest.main()