Make port more random for test_socket_with_bind_to_interface test

[waahm7]

Issue #, if available:
#665

Description of changes:
The error that we are getting is that the address is already in use. Try randomizing the port to something other than 1024. We don't encounter issues with other tests that use ports starting with 8, so this should work.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.32%. Comparing base (e5fe40e) to head (a6c2a0e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #666      +/-   ##
==========================================
- Coverage   80.39%   80.32%   -0.07%     
==========================================
  Files          28       28              
  Lines        5992     5992              
==========================================
- Hits         4817     4813       -4     
- Misses       1175     1179       +4     

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