Test

Allow Forward to be configured with Env Var #3673

Job	Run time
multiple-arch-aarch64	23m 17s
cygwin64-cache	1m 54s
multiple-arch-armv7	22m 47s
utest-regression-blackbox-test	9m 27s
cygwin64	15m 9s
fast	1s
build-ubuntu16	3m 2s
build-centos7	5m 4s
build-cross-aarch64	5m 43s
build-cross-arm	5m 26s
build-ubuntu18	3m 12s
build-ubuntu20	3m 47s
coverage	3m 43s
multiple-arch-amd64	2m 20s
test-done	1s
	1h 44m 53s

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