tests: Introduce running tests with GNU autotest in OpenBSC
The quality of the tests is of different value but it is good to
get started and improve from here.
diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.ok b/openbsc/tests/bsc-nat/bsc_nat_test.ok
new file mode 100644
index 0000000..2aff594
--- /dev/null
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.ok
@@ -0,0 +1,21 @@
+Testing BSS Filtering.
+Going to test item: 0
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+Testing connection tracking.
+Testing paging by lac.
+Testing MGCP.
+Testing finding of a BSC Connection
+Testing rewriting MGCP messages.
+Testing MGCP response parsing.
+Testing execution completed.