Fix yaml marshalling for runtime engines

[TrafalgarZZZ]

Ⅰ. Describe what this PR does

Fix yaml marshalling for runtime engines

Ⅱ. Does this pull request fix one issue?

Ⅲ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 51.41%. Comparing base (400d403) to head (93236e4). Report is 1002 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2178   +/-   ##
=======================================
  Coverage   51.41%   51.41%           
=======================================
  Files         330      330           
  Lines       24134    24134           
=======================================
  Hits        12408    12408           
  Misses      10342    10342           
  Partials     1384     1384           

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