Fix test inclusion for rX/narrative

[dotasek]

rX/narrative test cases weren't being included in maven test runs.

The test will fail until FHIR/fhir-test-cases#268 is merged to address changes in an expected outcome.

[grahamegrieve]

ok

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 13.82%. Comparing base (fb7830f) to head (478be8a).
⚠️ Report is 15 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2466      +/-   ##
============================================
+ Coverage     13.80%   13.82%   +0.02%     
- Complexity    38654    38759     +105     
============================================
  Files          2541     2546       +5     
  Lines        731686   731818     +132     
  Branches     213340   213359      +19     
============================================
+ Hits         100978   101180     +202     
+ Misses       596881   596804      -77     
- Partials      33827    33834       +7     

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