Fix WHBAR Test Suite Assertion

[simzzz]

Currently there is a failing test, it fails consistently. The job isn't required but it would be good to have it fixed. It seems the message might have changed after a version update. We should investigate and fix this.

1) WHBAR
       WHBAR-023 should revert on value > MaxUint256 for deposit:

      AssertionError: expected promise to be rejected with an error including 'value cannot exceed MAX_INTEGER' but got 'fields had validation errors'
      + expected - actual

      -fields had validation errors
      +value cannot exceed MAX_INTEGER