Nft v2 unit test

[Julianxa]

PR Details

Add unit tests for the NFT version2 contract

Description

Add unit tests for the NFT version2 contract

Checklist

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #285 (59d02a1) into exchange (1fc3d13) will increase coverage by 1.23%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           exchange     #285      +/-   ##
============================================
+ Coverage     59.95%   61.18%   +1.23%     
============================================
  Files           207      207              
  Lines          7296     7397     +101     
  Branches        269      272       +3     
============================================
+ Hits           4374     4526     +152     
+ Misses         2922     2871      -51     

Impacted Files	Coverage Δ
...main/scala/vsys/blockchain/contract/Contract.scala	86.20% <100.00%> (+0.32%)	:arrow_up:
...ys/blockchain/contract/ContractNonFungibleV2.scala	100.00% <100.00%> (+100.00%)	:arrow_up:
...ala/vsys/blockchain/contract/ContractTokenV2.scala	0.00% <0.00%> (ø)

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[ncying]

please check the conflicting files