Removed unecessary inject code on QtHelp typesystem.

Renamed unittest to standard name with test in the end of filename to be
detected by test suite.

Reviewer: Hugo Parente Lima <hugo.lima@openbossa.org>,
          Luciano Wolf <luciano.wolf@openbossa.org>

tests/qthelp/help_test.py

@@ -0,0 +1,14 @@
+
+import unittest
+
+from PySide.QtHelp import QHelpEngine
+
+from helper import UsesQApplication
+
+class QHelpEngineCreation(UsesQApplication):
+
+    def testConstructor(self):
+        helpEngine = QHelpEngine('mycollection.qch')
+
+if __name__ == '__main__':
+    unittest.main()