separate the two setInterestFilter operations for two wraper instances with
100ms delay. If the operations happen closely together, ccnx library is going to
crash in keystore init with openssl error. Gee...
diff --git a/test/test-ccnx-wrapper.cc b/test/test-ccnx-wrapper.cc
index 8636a2d..58d8d24 100644
--- a/test/test-ccnx-wrapper.cc
+++ b/test/test-ccnx-wrapper.cc
@@ -49,6 +49,7 @@
   Name prefix2("/c2");
 
   c1->setInterestFilter(prefix1, bind(publish1, _1));
+  usleep(100000);
   c2->setInterestFilter(prefix2, bind(publish2, _1));
 
   Closure *closure = new Closure(1, bind(dataCallback, _1, _2), bind(timeout, _1));