Ged rid of unstable assertions on predictions in e2e tests

[PawelPeczek-Roboflow]

What does this PR do?

Disabling unstable assertions in e2e tests making OWLv2 e2e tests and GroundingDino e2e tests essentially only forward-pass verification.

Type of Change

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

Testing

• I have tested this change locally
• I have added/updated tests for this change

Test details:

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in hard-to-understand areas
• My changes generate no new warnings or errors
• I have updated the documentation accordingly (if applicable)

Additional Context