Add propertywatchtest unit tests to `make check`

Enable the propertywatchtest unit tests to be executed on a `make check`

Tested:
    propertywatchtest runs on a `make check`

Change-Id: I6b40c571ffa5f3906ea1a694efd08bf63259a57a
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/src/test/Makefile.am b/src/test/Makefile.am
index 3799890..9314049 100644
--- a/src/test/Makefile.am
+++ b/src/test/Makefile.am
@@ -88,11 +88,7 @@
 		-o $(builddir)/$@ \
 		generate-cpp
 
-# propertywatchtest is intentionally omitted from
-# check_PROGRAMS until a bug that manifests with
-# with GCC7 can be resolved.
-
-noinst_PROGRAMS += propertywatchtest
+check_PROGRAMS += propertywatchtest
 propertywatchtest_SOURCES = \
 	propertywatchtest.cpp
 propertywatchtest_CXXFLAGS = \