Added service bus batch tests

[gavin-aguiar]

Description

Fixes #

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PR information

• [ ] The title of the PR is clear and informative.
• [ ] There are a small number of commits, each of which has an informative message. This means that previously merged commits do not appear in the history of the PR. For information on cleaning up the commits in your pull request, see this page.
• [ ] If applicable, the PR references the bug/issue that it fixes in the description.
• [ ] New Unit tests were added for the changes made and CI is passing.

Quality of Code and Contribution Guidelines

• [ ] I have read the contribution guidelines.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 85.46%. Comparing base (eef7628) to head (6c7960b). Report is 117 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1414      +/-   ##
==========================================
- Coverage   85.87%   85.46%   -0.41%     
==========================================
  Files          35       35              
  Lines        1968     1968              
  Branches      370      370              
==========================================
- Hits         1690     1682       -8     
- Misses        209      213       +4     
- Partials       69       73       +4     

Flag	Coverage Δ
unittests	85.41% <ø> (-0.41%)	:arrow_down:

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