test/openssl/test_pkey.rb: Fix pending tests in FIPS case. #808

Job	Run time
openssl-1.0.2u	2m 59s
openssl-1.1.0l	2m 8s
openssl-1.1.1v	2m 54s
openssl-3.0.10	5m 8s
openssl-3.1.2	4m 19s
libressl-3.1.5	3m 51s
libressl-3.2.7	3m 47s
libressl-3.3.6	3m 14s
libressl-3.4.3	3m 2s
libressl-3.5.3	3m 16s
libressl-3.6.3	3m 9s
libressl-3.7.3	3m 43s
libressl-3.8.0	3m 54s
openssl-3.0.10 fips	4m 19s
openssl-3.1.2 fips	4m 10s
openssl-head	6m 23s
openssl-head fips	7m 7s
ruby-versions / Generate Ruby versions	2s
ubuntu-22.04 2.7	1m 38s
ubuntu-22.04 3.0	1m 4s
ubuntu-22.04 3.1	1m 32s
ubuntu-22.04 3.2	1m 35s
ubuntu-22.04 head	1m 25s
ubuntu-22.04 truffleruby	1m 58s
ubuntu-22.04 truffleruby-head	2m 0s
ubuntu-20.04 2.7	1m 23s
ubuntu-20.04 3.0	1m 4s
ubuntu-20.04 3.1	1m 6s
ubuntu-20.04 3.2	1m 20s
ubuntu-20.04 head	1m 0s
ubuntu-20.04 truffleruby-head	2m 5s
macos-latest 2.7	1m 50s
macos-latest 3.0	5m 39s
macos-latest 3.1	1m 26s
macos-latest 3.2	1m 32s
macos-latest head	1m 25s
macos-latest truffleruby-head	5m 11s
windows-latest 2.7	7m 45s
windows-latest 3.0	6m 48s
windows-latest 3.1	5m 6s
windows-latest 3.2	6m 28s
windows-latest ucrt	4m 16s
windows-latest mswin	4m 2s
	2h 18m 3s

Provide feedback