fpc/packages/fcl-web/tests
..
cgigateway.lpi
cgigateway.pp
fpcunithpack.lpi
fpcunithpack.lpr
README.txt
tchttproute.pp
testcgiapp.lpi
testcgiapp.pp
testfpweb.lpi
testfpweb.lpr
uhpacktest1.pas

In order to run the HPACK testcase, you must download and unzip the HPACK testsuite:

https://github.com/http2jp/hpack-test-case

The test code expects to find it under the 'hpack-test-case-master' directory.