IWYU: Convert FAPI tests #137

Job	Run time
coverity-test	0s
build-test (ubuntu-20.04, gcc)	4m 29s
scanbuild	6m 33s
test-coverage	5h 24m 49s
build-test (ubuntu-20.04, clang)	4m 22s
build-test (fedora-32, gcc)	4m 46s
test-fuzz	2m 34s
test-mbedtls (ubuntu-20.04)	2m 47s
test-no-crypto-build	1m 34s
build-test (fedora-32, clang)	5m 2s
build-test (opensuse-leap, gcc)	4m 33s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 56s
test-tcti-config	14m 25s
build-test (opensuse-leap, clang)	4m 42s
build-test (ubuntu-22.04, gcc)	4m 24s
build-test (ubuntu-22.04, clang)	4m 40s
build-test (alpine-3.15, gcc)	3m 55s
build-test (alpine-3.15, clang)	4m 44s
	6h 41m 15s

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