Fix inheritance

[piwonskp]

`inheritance/constructors/constructors.sol tests result in:

Deployed contracts have correct behaviour
    tests/behaviour/contracts/inheritance/constructors/constructors
      1) a
      2) b
      3) c
      ✔ d (6312ms)


  4 passing (3m)
  3 failing

  1) Deployed contracts have correct behaviour
       tests/behaviour/contracts/inheritance/constructors/constructors
         a:

      a - Return data should match expectation
      + expected - actual

       [
         "0x9"
      -  "0xe"
      +  "0x0"
       ]
      
      at behaviourTest (tests/behaviour/behaviour.test.ts:263:19)                                                                                      
      at processTicksAndRejections (node:internal/process/task_queues:95:5)                                                                            
      at async Context.<anonymous> (tests/behaviour/behaviour.test.ts:199:13)                                                                          
                                                                                                                                                       
  2) Deployed contracts have correct behaviour
       tests/behaviour/contracts/inheritance/constructors/constructors
         b:

      b - Return data should match expectation
      + expected - actual

       [
         "0xe"
      -  "0x4"
      +  "0x0"
       ]
      
      at behaviourTest (tests/behaviour/behaviour.test.ts:263:19)                                                                                      
      at processTicksAndRejections (node:internal/process/task_queues:95:5)                                                                            
      at async Context.<anonymous> (tests/behaviour/behaviour.test.ts:199:13)                                                                          
                                                                                                                                                       
  3) Deployed contracts have correct behaviour
       tests/behaviour/contracts/inheritance/constructors/constructors
         c:

      c - Return data should match expectation
      + expected - actual

       [
         "0xd"
      -  "0x9"
      +  "0x0"
       ]
      
      at behaviourTest (tests/behaviour/behaviour.test.ts:263:19)                                                                                      
      at processTicksAndRejections (node:internal/process/task_queues:95:5)                                                                            
      at async Context.<anonymous> (tests/behaviour/behaviour.test.ts:199:13)