SREP-1857 added one second wait to probes to try to solve race condition

[luis-falcon]

BUG:

Added 1 second wait to probe in order to solve race condition on network verifier.

Why:

Though I was not able to reproduce the issue described in the card.

The race conditions seem to happen when the getty's cleanup sequences arrive after the BEGIN token is written, AWS EC2's console output capture (which appears to interpret escape sequences rather than capture raw bytes) processes the "clear screen" command and effectively erases the BEGIN token from the visible output
The curl command output and END token arrive later and appear normally since getty has fully stopped by then.

What does this PR do? / Related Issues / Jira

This PR adds a one second wait to the probes in order to try to delay the race condition and make it less likely to happen.

Checklist

eeds to be done after technical review) I've run the branch on my local, verified that the functionality is ok

How to test this PR locally / Special Instructions

[openshift-ci]

@luis-falcon: all tests passed!

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 33.58%. Comparing base (e7f38b5) to head (5991f4a).

Files with missing lines	Patch %	Lines
pkg/probes/dummy/dummy.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #339      +/-   ##
==========================================
- Coverage   33.60%   33.58%   -0.02%     
==========================================
  Files          30       30              
  Lines        2244     2245       +1     
==========================================
  Hits          754      754              
- Misses       1450     1451       +1     
  Partials       40       40              

Files with missing lines	Coverage Δ
pkg/probes/dummy/dummy.go	0.00% <0.00%> (ø)

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[abyrne55]

/approve
/lgtm

[openshift-ci]

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