diff --git a/tests/atests/build/devices_json b/tests/atests/build/devices_json
new file mode 100644
index 0000000..6fbc4d5
--- /dev/null
+++ b/tests/atests/build/devices_json
@@ -0,0 +1 @@
+{"of:0001000000000005":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"1004"}},"of:0001000000000006":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"1005"}},"of:0001000000000003":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"1002"}},"of:0001000000000004":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"1003"}},"of:0000aabbccddeeff":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"2"}},"of:0001000000000002":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"1001"}},"of:0001aabbccddeeff":{"basic":{"driver":"voltha"},"accessDevice":{"uplink":"0","vlan":"2"}}}