gtp: queue: Add unit test queue_test

Closes: OS#1740
Change-Id: Id09bc5e23aa7a4b864822bc92cc23a4b60db52c3
diff --git a/tests/gtp/Makefile.am b/tests/gtp/Makefile.am
index bb01e3d..fa0fb0b 100644
--- a/tests/gtp/Makefile.am
+++ b/tests/gtp/Makefile.am
@@ -2,18 +2,30 @@
 
 EXTRA_DIST = \
 	gtpie_test.ok \
+	queue_test.ok \
 	$(NULL)
 
 noinst_PROGRAMS = \
 	gtpie_test \
+	queue_test \
 	$(NULL)
 
 gtpie_test_SOURCES = \
 	gtpie_test.c \
 	$(NULL)
 
+queue_test_SOURCES = \
+	queue_test.c \
+	$(NULL)
+
 gtpie_test_LDADD = \
 	$(top_builddir)/lib/debug.o \
 	$(top_builddir)/gtp/libgtp.la \
 	$(LIBOSMOCORE_LIBS) \
 	$(NULL)
+
+queue_test_LDADD = \
+	$(top_builddir)/lib/debug.o \
+	$(top_builddir)/gtp/libgtp.la \
+	$(LIBOSMOCORE_LIBS) \
+	$(NULL)