IWYU: Convert FAPI tests #139

Job	Run time
test-tcti-config	14m 9s
test-coverage	2h 59m 25s
scanbuild	6m 35s
build-test (ubuntu-20.04, gcc)	4m 28s
test-fuzz	2m 38s
test-mbedtls (ubuntu-20.04)	2m 51s
test-no-crypto-build	1m 32s
build-test (ubuntu-20.04, clang)	4m 19s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 53s
coverity-test	0s
build-test (fedora-32, gcc)	4m 43s
build-test (fedora-32, clang)	4m 58s
build-test (opensuse-leap, gcc)	4m 36s
build-test (opensuse-leap, clang)	4m 37s
build-test (ubuntu-22.04, gcc)	4m 39s
build-test (ubuntu-22.04, clang)	4m 31s
build-test (alpine-3.15, gcc)	3m 58s
build-test (alpine-3.15, clang)	4m 38s
	4h 15m 30s

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