Add stubs to test gsm0408 functionality including LAI
diff --git a/tests/Makefile.am b/tests/Makefile.am
index ccfedce..fbfc827 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1 +1 @@
-SUBDIRS = debug timer sms
+SUBDIRS = debug timer sms gsm0408