test: add tcti state backup for finalize/reinit #143

Job	Run time
coverity-test	0s
test-coverage	4m 23s
build-test (ubuntu-20.04, gcc)	2m 5s
scanbuild	6m 41s
test-fuzz	1m 35s
build-test (ubuntu-20.04, clang)	2m 0s
test-mbedtls (ubuntu-20.04)	2m 44s
build-test (fedora-32, gcc)	2m 4s
test-no-crypto-build	1m 28s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 47s
build-test (fedora-32, clang)	2m 6s
test-tcti-config	14m 55s
build-test (opensuse-leap, gcc)	2m 5s
build-test (opensuse-leap, clang)	2m 5s
build-test (ubuntu-22.04, gcc)	1m 46s
build-test (ubuntu-22.04, clang)	2m 2s
build-test (alpine-3.15, gcc)	2m 7s
build-test (alpine-3.15, clang)	2m 7s
	55m 0s

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