Add __init__.py to ydktest folder
Add __init__.py to ydktest folder

psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,psykokwak4/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,CiscoDevNet/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,CiscoDevNet/ydk-gen