fixes #778

[clumsy]

adding EFA devices to AWS named_resources

Test plan:

• added new assertions to existing AWS named_resources tests

[clumsy]

For your consideration, @kiukchung

[kiukchung]

lgtm thanks for the PR! Waiting for CI to pass before merging

[codecov]

Codecov Report

Merging #779 (45eb335) into main (13a4787) will increase coverage by 0.00%.
Report is 2 commits behind head on main.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #779   +/-   ##
=======================================
  Coverage   92.88%   92.88%           
=======================================
  Files          96       96           
  Lines        6098     6099    +1     
=======================================
+ Hits         5664     5665    +1     
  Misses        434      434           

Flag	Coverage Δ
unittests	92.88% <100.00%> (+<0.01%)	⬆️

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

Files	Coverage Δ
torchx/specs/named_resources_aws.py	100.00% <100.00%> (ø)

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[clumsy]

Fixed the formatting to address linter error, @kiukchung.

[clumsy]

Let me know if any changes are needed, @kiukchung. The tests seem to pass.