Fix simulator issue with multiple tests using same chip data

At the end of each test case the isolator is uninitialized. However,
a data structor in the simulator was not cleared at the end of each
test case which prevented re-initialization of the isolator on
subsequent test cases.

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ia14a95abbd7b1236ab96532d4d17a3870e0ed68b
diff --git a/test/simulator/simulator.hpp b/test/simulator/simulator.hpp
index f96109a..085c5ff 100644
--- a/test/simulator/simulator.hpp
+++ b/test/simulator/simulator.hpp
@@ -149,6 +149,7 @@
     {
         flushIterationData();
         iv_chipList.clear();
+        iv_typeList.clear();
     }
 
     /**