Turn of fuzzing for AbstractModelBasedTest.kt

[Markoutte]

Description

After implementing #439 there're 2 failed test: InnerMockWithFieldExampleTest and MockWithFieldExampleTest. The simple approach is to disable fuzzing for AbstractModelBasedTest#internalCheck

Type of Change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Automated Testing

InnerMockWithFieldExampleTest and MockWithFieldExampleTest should pass

Checklist:

• The change followed the style guidelines of the UTBot project
• Self-review of the code is passed
• The change contains enough commentaries, particularly in hard-to-understand areas
• New documentation is provided or existed one is altered
• No new warnings
• All tests pass locally with my changes