Hello everyone, We finish etl job in DataMigrator ver7.1 in development enviroment. Right now we are trying to move all the work we have done to test enviroment. Is anyone know how to do it?

I know of no change management with data migrator.
You have two choices here:

1) Set up both the environments in DMC. Drag and drop flows from Dev to test.

2) Write OS scripts to move .etg and .fex files in the application folders.