feat: add tests that uses forum v2 native APIs #252

Job	Run time
collect-and-verify	4m 40s
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 53s
lms-2(py=3.11,dj=pinned,mongo=7.0)	13m 25s
lms-3(py=3.11,dj=pinned,mongo=7.0)	14m 51s
lms-4(py=3.11,dj=pinned,mongo=7.0)	27m 32s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 9s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 51s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 55s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 39s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 28s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 28s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 55s
cms-2(py=3.11,dj=pinned,mongo=7.0)	13m 15s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 59s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 41s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 46s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 1s
Unit tests successful	3s
compile-warnings-report	0s
coverage	0s
merge-artifacts	0s
	3h 10m 31s

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