BTS_Tests: fix f_TC_imm_ass(): use send template, not receive one

  BTS_Tests.ttcn:3647.9-3703.1: In function definition `f_TC_imm_ass':
    BTS_Tests.ttcn:3661.37-99: In the operand of operation `valueof()':
      BTS_Tests.ttcn:3661.58-98: In actual parameter list of template
                                 `@GSM_RR_Types.ts_ChanDescH0':
        GSM_Types.ttcn:125.48-55: warning: Inadequate restriction on
                                  the referenced template parameter
                                  `sub_slot', this may cause a dynamic
                                  test case error at runtime
        GSM_Types.ttcn:126.8-9: warning: Inadequate restriction on
                                the referenced template parameter
                                `tn', this may cause a dynamic test
                                case error at runtime

Change-Id: I7d36d25e5f8d3bb1040c737eeaeddd15f98ec4c2
1 file changed