Linux

* mod_proxy_http2: revert r1912193 for detecting broken backend con… #1309

Job	Run time
Empty APLOGNO() test	40s
Default	4m 56s
All-static modules	4m 11s
Prefork MPM, all-modules (except cgid)	4m 26s
Worker MPM, all-modules	5m 29s
Shared MPMs, all-modules	5m 17s
Shared MPMs, all-modules, 64-bit ARM	8m 36s
Event MPM, all-modules, mod_cgid only	4m 18s
Event MPM, all-modules, no CMSG_DATA	4m 16s
Default, all-modules + install	4m 44s
Default, all-modules, random test order	4m 35s
GCC 12 maintainer-mode w/-Werror, install + VPATH	3m 49s
All-modules, APR 1.7.4, APR-util 1.6.3	6m 35s
APR 1.8.x, APR-util 1.7.x	6m 18s
Pool-debug	6m 33s
Shared MPMs (event), pool-debug, SSL/TLS variants	9m 16s
Shared MPMs (worker), pool-debug, SSL/TLS variants	9m 51s
Shared MPMs (prefork), pool-debug, SSL/TLS variants	9m 31s
litmus WebDAV tests	2m 21s
litmus WebDAV tests, APR trunk, LMDB	2m 50s
Regenerate ap_expr	4m 24s
APR 1.7.4, APR-util 1.6.3, LDAP	5m 31s
APR 1.7.x, APR-util 1.7.x, LDAP	6m 0s
APR trunk thread debugging	4m 38s
UBSan	5m 21s
ASan	7m 28s
ASan, pool-debug	7m 19s
HTTP/2 test suite	7m 27s
Configured w/reduced exports	2m 21s
OpenSSL 3.1	3m 30s
OpenSSL 3.2 -Werror	5m 10s
OpenSSL 3.2 no-engine	7m 37s
OpenSSL 3.3 no-engine -Werror	4m 19s
	2h 59m 37s

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