fix: downgrade migration testing tool errors to warnings

[cody-littley]

Closes #10546

[github-actions]

Node: HAPI Test (Token) Results

189 tests   189 ✔️  17m 34s ⏱️
  13 suites      0 💤
  13 files        0 ❌

Results for commit dbeecb6.

[github-actions]

Node: HAPI Test (Crypto) Results

211 tests   204 ✔️  18m 23s ⏱️
  22 suites      7 💤
  22 files        0 ❌

Results for commit dbeecb6.

[github-actions]

Node: Unit Test Results

    2 293 files  ±0      2 293 suites  ±0   50m 26s ⏱️ + 1m 48s
118 445 tests ±0  118 411 ✔️ ±0  34 💤 ±0  0 ❌ ±0 
126 862 runs  ±0  126 828 ✔️ ±0  34 💤 ±0  0 ❌ ±0 

Results for commit dbeecb6. ± Comparison against base commit fb1165e.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (50a7d5c) 62.98% compared to head (dbeecb6) 62.97%.
Report is 4 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #10556      +/-   ##
=============================================
- Coverage      62.98%   62.97%   -0.01%     
  Complexity     30813    30813              
=============================================
  Files           3363     3363              
  Lines         135415   135425      +10     
  Branches       14090    14092       +2     
=============================================
  Hits           85287    85287              
- Misses         46768    46777       +9     
- Partials        3360     3361       +1     

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[github-actions]

Node: E2E Test Results

    1 files      1 suites   23m 37s ⏱️
311 tests 311 ✔️ 0 💤 0 ❌
333 runs  333 ✔️ 0 💤 0 ❌

Results for commit dbeecb6.

[github-actions]

Node: HAPI Test (Time Consuming) Results

21 tests     9 ✔️  25m 1s ⏱️
  2 suites  12 💤
  2 files      0 ❌

Results for commit dbeecb6.

[github-actions]

Node: HAPI Test (Misc) Results

420 tests   330 ✔️  29m 36s ⏱️
  74 suites    90 💤
  74 files        0 ❌

Results for commit dbeecb6.

[github-actions]

Node: HAPI Test (Smart Contract) Results

398 tests   367 ✔️  47m 51s ⏱️
  55 suites    30 💤
  55 files        1 ❌

For more details on these failures, see this check.

Results for commit dbeecb6.

[github-actions]

Node: Integration Test Results

278 tests  ±0   277 ✔️  - 1   26m 47s ⏱️ +4s
    5 suites ±0       0 💤 ±0 
    5 files   ±0       1 ❌ +1 

For more details on these failures, see this check.

Results for commit dbeecb6. ± Comparison against base commit fb1165e.