Modify tweaked tests for better performance in no cloning mode (#6965)
Modify tweaked tests for better performance in no cloning mode (#6965)

* Modify tweaked tests for better performance in no cloning mode

* Tweak trivial models

alexgorban/models,alexgorban/models,alexgorban/models,tombstone/models,tombstone/models,alexgorban/models,tombstone/models,alexgorban/models,tombstone/models,tombstone/models,tombstone/models