Give expected output for bug2756

Note: The actual bug is not fixed. Only one of the simple models
derived for it.

openmodelica/cruntime/codegen/bug2756.mos

@@ -1,9 +1,8 @@
 // name: bug2756.mos
-// keywords: delay
 // status: correct
-// 
+//
 // test for #2756
-// 
+//
 
 loadString("
 model bug2756
@@ -22,10 +21,22 @@ algorithm
   for i in 1:2 loop
     s := s + x[i].R;
   end for;
+  assert(abs(s-2) < 1e-30, \"Assertion failed\");
 end bug2756;
 "); getErrorString();
 
-simulate(bug2756); getErrorString();
+simulate(bug2756,simflags="-output s"); getErrorString();
 
 // Result:
+// true
+// ""
+// record SimulationResult
+//     resultFile = "bug2756_res.mat",
+//     simulationOptions = "startTime = 0.0, stopTime = 1.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'bug2756', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = '-output s'",
+//     messages = "stdout            | info    | The initialization finished successfully without homotopy method.
+// time=1,s=2
+// stdout            | info    | The simulation finished successfully.
+// "
+// end SimulationResult;
+// ""
 // endResult