common: unify testconfig generation scripts #314

Job	Run time
Source checkers	53s
Basic build	2m 2s
CentOS / CentOS (OS_VER=7 FAULT_INJECTION=1 TEST_BUILD=debug)	18m 22s
CentOS / CentOS (OS_VER=7 TEST_BUILD=nondebug)	14m 29s
CentOS / CentOS (OS_VER=7 TEST_BUILD=debug NDCTL_ENABLE=n)	20m 50s
CentOS / CentOS (OS_VER=7 TEST_BUILD=nondebug NDCTL_ENABLE=n)	14m 20s
CentOS / CentOS (OS_VER=stream TEST_BUILD=debug)	19m 49s
CentOS / CentOS (OS_VER=stream FAULT_INJECTION=1 TEST_BUILD=debug)	19m 37s
CentOS / CentOS (OS_VER=stream TEST_BUILD=nondebug)	20m 29s
Ubuntu / Linux (N=1 OS=ubuntu OS_VER=22.04 FAULT_INJECTION=1 TEST_BUILD=debug)	25m 27s
Ubuntu / Linux (N=2 OS=ubuntu OS_VER=22.04 FAULT_INJECTION=1 TEST_BUILD=nondebug UBSAN=1)	23m 29s
Ubuntu / Linux (N=3 OS=ubuntu OS_VER=22.04 PMDK_CC=clang PMDK_CXX=clang++ TEST_BUILD=debug)	22m 6s
Ubuntu / Linux (N=4 OS=ubuntu OS_VER=22.04 PMDK_CC=clang PMDK_CXX=clang++ TEST_BUILD=nondebug AUTO_DOC_UPD...	16m 22s
Ubuntu / Linux (N=5 OS=ubuntu OS_VER=22.04 COVERAGE=1 FAULT_INJECTION=1 TEST_BUILD=debug)	18m 18s
	3h 56m 33s

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