BSC_Tests/hopping: add TC_fh_params_assignment_cmd

This test case verifies presence and correctness of the hopping
parameters in the following messages and their IEs:

  1. (RR) Assignment Command
  1.1. Description of the First Channel, after time IE
  1.2. Mobile Allocation, after time IE

Change-Id: Id12509385b444c426f4af7a0cf0d46efe2cb0eda
Related: SYS#4868, OS#4545
1 file changed