core: Force SegmentPublisher to publish at least one Data packet, which could have empty content

Change-Id: I8338f78ebfa4c2641eaae606b28c1112f06619c9
Refs: #1662
diff --git a/tests/core/segment-publisher.cpp b/tests/core/segment-publisher.cpp
index 627a7f0..da35376 100644
--- a/tests/core/segment-publisher.cpp
+++ b/tests/core/segment-publisher.cpp
@@ -141,7 +141,7 @@
 };
 
 using boost::mpl::int_;
-typedef boost::mpl::vector<int_<10000>, int_<100>, int_<10>/*, int_<0>*/ > DatasetSizes;
+typedef boost::mpl::vector<int_<10000>, int_<100>, int_<10>, int_<0> > DatasetSizes;
 
 BOOST_AUTO_TEST_SUITE(SegmentPublisher)