Add tests for find_multi_slots()

* make function public
* add tests

Change-Id: I4174703808335c19341cd5b5f4422496d958967f
diff --git a/tests/testsuite.at b/tests/testsuite.at
index d8f8f9a..86f45a8 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -9,6 +9,12 @@
 AT_CHECK([$OSMO_QEMU $abs_top_builddir/tests/rlcmac/RLCMACTest], [0], [expout], [experr])
 AT_CLEANUP
 
+AT_SETUP([multi_slot])
+AT_KEYWORDS([multi_slot])
+cat $abs_srcdir/alloc/MslotTest.ok > expout
+AT_CHECK([$OSMO_QEMU $abs_top_builddir/tests/alloc/MslotTest], [0], [expout], [ignore])
+AT_CLEANUP
+
 AT_SETUP([ts_alloc])
 AT_KEYWORDS([ts_alloc])
 cat $abs_srcdir/alloc/AllocTest.ok > expout