Merge branch 'develop' into main

testbed/common.mk

testbed/rand_ai/Makefile

testbed/rand_ai/test1.in

testbed/rand_ai/test1.ref

testbed/rand_ai/test2.in

testbed/rand_ai/test2.ref

testbed/rand_ai/test3.in

testbed/rand_ai/test3.ref

testbed/rand_ai/test4.in

testbed/rand_ai/test4.ref

testbed/smart_ai/Makefile

testbed/smart_ai/test1.in

testbed/smart_ai/test1.ref

testbed/smart_ai/test2.in

testbed/smart_ai/test2.ref

testbed/smart_ai/test3.in

testbed/smart_ai/test3.ref

testbed/smart_ai/test4.in

testbed/smart_ai/test4.ref

testbed/smart_ai/test5.in