Crconfig test coverage

[kdamichie]

This PR is not related to any issue. It increases the test coverage for files under the crconfig folder in Traffic Ops.

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Which Traffic Control components are affected by this PR?

• Traffic Ops

What is the best way to verify this PR?

Make sure all the unit tests pass

If this is a bugfix, which Traffic Control versions contained the bug?

PR submission checklist

• This PR has tests
• This PR has documentation
• This PR has a CHANGELOG.md entry
• This PR DOES NOT FIX A SERIOUS SECURITY VULNERABILITY (see the Apache Software Foundation's security guidelines for details)

[codecov]

Codecov Report

Merging #7401 (cdef2b1) into master (ea5099d) will increase coverage by 1.30%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #7401      +/-   ##
============================================
+ Coverage     26.16%   27.46%   +1.30%     
  Complexity       98       98              
============================================
  Files           648      394     -254     
  Lines         76195    45669   -30526     
  Branches         90       90              
============================================
- Hits          19934    12542    -7392     
+ Misses        54422    32057   -22365     
+ Partials       1839     1070     -769     

Flag	Coverage Δ
golib_unit	?
grove_unit	?
t3c_unit	?
traffic_monitor_unit	?
traffic_ops_integration	69.42% <ø> (+0.07%)	⬆️
traffic_ops_unit	21.24% <ø> (+1.54%)	⬆️
traffic_stats_unit	?
unit_tests	21.24% <ø> (-1.36%)	⬇️
v3	57.79% <ø> (ø)
v4	79.18% <ø> (+0.09%)	⬆️
v5	78.63% <ø> (+0.09%)	⬆️

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see 271 files with indirect coverage changes

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[rimashah25]

Changes LGTM.