Small snippet for mbed-cli test

Dependencies:   mbed

Revision:
0:6c856a0de933
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jan 31 09:20:00 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/5aab5a7997ee
\ No newline at end of file