test added for example

dream/simulation/Examples/CompoundMachine.py

@@ -93,7 +93,6 @@ def main(test=0):
     
     #output the trace of the simulation
     ExcelHandler.outputTrace('CompoundMachine')
-    print G.maxSimTime
     if test:
         return G.maxSimTime
 

dream/tests/testSimulationExamples.py

@@ -215,3 +215,9 @@ class SimulationExamples(TestCase):
       result = main(test=1)
       self.assertEquals(result['batches'], 4)
       self.assertEquals(result["working_ratio"], 100)
+      
+    def testCompoundMachine(self):
+      from dream.simulation.Examples.CompoundMachine import main
+      result = main(test=1)
+      self.assertTrue(5.8 < result < 5.9)
+      
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