Added all original pyside unit tests to the shiboken version.

tests/qtgui/qapplication_singleton_test.py

@@ -0,0 +1,12 @@
+
+import unittest
+
+from PySide.QtGui import QApplication
+
+class TestSingleton(unittest.TestCase):
+    def testBasic(self):
+        a = QApplication([])
+        self.assertRaises(RuntimeError, QApplication, [])
+
+if __name__ == '__main__':
+    unittest.main()