Fix test_numeric_values of the show test

[gshank]

resolves #8470

Problem

The "test_numeric_values" test was checking for strings that were in or not in the logs. This is problematic, because as soon as something else accidentally had a 1.0 or 5.0 (such 1.06 seconds or something) the test would fail.

Solution

Check for more specific strings in show output, such as '"float_to_int_field": 1'.

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/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

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (8aaed0e) 86.56% compared to head (3d116b3) 86.56%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8644   +/-   ##
=======================================
  Coverage   86.56%   86.56%           
=======================================
  Files         175      175           
  Lines       25595    25595           
=======================================
  Hits        22156    22156           
  Misses       3439     3439           

Flag	Coverage Δ
integration	83.35% <ø> (ø)
unit	65.12% <ø> (ø)

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[emmyoop]

LGTM