support tests in subdirectories
support tests in subdirectories

eyeye/yotta,stevenewey/yotta,iriark01/yotta,bridadan/yotta,BlackstoneEngineering/yotta,theotherjimmy/yotta,eyeye/yotta,ntoll/yotta,autopulated/yotta,ARMmbed/yotta,bridadan/yotta,theotherjimmy/yotta,ARMmbed/yotta,stevenewey/yotta,autopulated/yotta,iriark01/yotta,ntoll/yotta,BlackstoneEngineering/yotta