Fix RUN_GTEST/RUN_GBENCH leak into pax.so build #3583

Job	Run time
check-skip	8s
Build Apache Cloudberry RPM	13m 11s
prepare-test-matrix	3s
RPM Install Test Apache Cloudberry	1m 55s
pax-ic-good-opt-on	27m 36s
ic-resgroup-v2	20m 24s
pax-ic-isolation2-opt-on	23m 52s
ic-expandshrink	4m 30s
pax-ic-isolation2-opt-off	23m 16s
pax-ic-good-opt-off	23m 19s
ic-good-opt-on	28m 58s
ic-good-opt-off	25m 7s
ic-singlenode	8m 9s
ic-isolation2-hot-standby	4m 40s
ic-diskquota	10m 32s
ic-cbdb-parallel	28m 18s
ic-fixme	4m 48s
ic-gpcontrib	4m 8s
ic-parallel-retrieve-cursor	4m 32s
ic-isolation2-crash	4m 22s
ic-isolation2	36m 59s
ic-contrib	4m 10s
Generate Apache Cloudberry Build Report	2s
	5h 2m 59s

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