Fix blobber conductor tests

[devyetii]

Fixes

Changes

Need to be mentioned in CHANGELOG.md?

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• blobber:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

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@@              Coverage Diff               @@
##             sprint-1.11    #2884   +/-   ##
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  Hits                   ?    19043           
  Misses                 ?    44972           
  Partials               ?     2312           

Flag	Coverage Δ
Unit-Tests	28.71% <0.00%> (?)

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[dabasov]

lgtm