Update test_duplicate_resource.py

[dave-connors-3]

Resolves #

Problem

This test has invalid yml for an exposure, which was failing silently, and the test effectively was not testing anything at all!

Solution

make the yml valid

Checklist

• I have read the contributing guide and understand what's expected of me.
• I have run this code in development, and it appears to resolve the stated issue.
• This PR includes tests, or tests are not required or relevant for this PR.
• This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• This PR includes type annotations for new and modified functions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.96%. Comparing base (f7c4c3c) to head (6dcdf2e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11344      +/-   ##
==========================================
- Coverage   88.97%   88.96%   -0.02%     
==========================================
  Files         189      189              
  Lines       24182    24182              
==========================================
- Hits        21517    21513       -4     
- Misses       2665     2669       +4     

Flag	Coverage Δ
integration	86.25% <ø> (-0.04%)	⬇️
unit	62.55% <ø> (ø)

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Components	Coverage Δ
Unit Tests	62.55% <ø> (ø)
Integration Tests	86.25% <ø> (-0.04%)	⬇️