add all-tests.opts, including vty tests, drop external-tests.opts
diff --git a/all-tests.opts b/all-tests.opts
new file mode 100644
index 0000000..72557d3
--- /dev/null
+++ b/all-tests.opts
@@ -0,0 +1,3 @@
+osmo-msc --enable-external-tests --enable-vty-tests
+osmo-bsc --enable-external-tests --enable-vty-tests
+osmo-sgsn --enable-external-tests --enable-vty-tests