Add CLI test for activation-key copy
Adresses #1704

Test results
------------
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok