chore(operations): Move /tests/Makefile to /Makefile (#2460)

* chore(operations): Move /tests/Makefile to /Makefile

Signed-off-by: binarylogic <bjohnson@binarylogic.com>

* Remove slim-builds call

Signed-off-by: binarylogic <bjohnson@binarylogic.com>

* Fix run.sh path

Signed-off-by: binarylogic <bjohnson@binarylogic.com>

* Add `scripts/test-behavior.sh`

Signed-off-by: Alexander Rodin <rodin.alexander@gmail.com>

Co-authored-by: Alexander Rodin <rodin.alexander@gmail.com>