move tests/rua_helper.[ch] to src directory
The RUA Helper is not test-specific.
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
index 122c663..6a4e4dc 100644
--- a/src/tests/Makefile.am
+++ b/src/tests/Makefile.am
@@ -5,7 +5,7 @@
check_PROGRAMS = test-ranap test-helpers test-hnbap hnb-test dummy-cn
HNBAP_FILES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c $(top_srcdir)/src/hnbap_encoder.c
-RUA_FILES = $(top_srcdir)/src/rua_common.c $(top_srcdir)/src/rua_decoder.c $(top_srcdir)/src/rua_encoder.c
+RUA_FILES = $(top_srcdir)/src/rua_common.c $(top_srcdir)/src/rua_decoder.c $(top_srcdir)/src/rua_encoder.c $(top_srcdir)/src/rua_msg_factory.c
test_helpers_SOURCES = test-helpers.c
test_helpers_LDADD = $(COMMON_LIBS) $(top_builddir)/src/libosmo-ranap.la
@@ -13,7 +13,7 @@
test_hnbap_SOURCES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c test-hnbap.c test_common.c
test_hnbap_LDADD = $(COMMON_LIBS) $(top_builddir)/src/hnbap/libosmo-asn1-hnbap.a $(top_builddir)/src/libosmo-ranap.la
-hnb_test_SOURCES = $(HNBAP_FILES) $(RUA_FILES) hnb-test.c rua_helper.c test_common.c
+hnb_test_SOURCES = $(HNBAP_FILES) $(RUA_FILES) hnb-test.c test_common.c
hnb_test_LDADD = $(COMMON_LIBS) $(top_builddir)/src/hnbap/libosmo-asn1-hnbap.a $(top_builddir)/src/rua/libosmo-asn1-rua.a $(top_builddir)/src/libosmo-ranap.la
test_ranap_SOURCES = $(RANAP_FILES) test-ranap.c test_common.c