Adding multinode integration test support

[saratvemulapalli]

Issue #194 :
Description of changes: Adding multinode integration test as part of CI

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@68429a8). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #201   +/-   ##
=========================================
  Coverage          ?   72.10%           
  Complexity        ?     1272           
=========================================
  Files             ?      140           
  Lines             ?     5914           
  Branches          ?      463           
=========================================
  Hits              ?     4264           
  Misses            ?     1443           
  Partials          ?      207           

Flag	Coverage Δ	Complexity Δ
#unittests	79.74% <0.00%> (?)	0.00% <0.00%> (?%)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 68429a8...935409c. Read the comment docs.