tests

add: `electerm-deb` #5992

Job	Run time
test-on-debian (debian:stable, master)	1m 6s
test-on-ubuntu (ubuntu:latest, master)	1m 38s
test-on-debian (debian:stable, develop)	1m 10s
test-on-ubuntu (ubuntu:latest, develop)	1m 13s
test-on-debian (debian:testing, master)	1m 5s
test-on-ubuntu (ubuntu:devel, master)	1m 1s
test-on-debian (debian:testing, develop)	1m 8s
test-on-ubuntu (ubuntu:devel, develop)	1m 28s
test-on-debian (debian:unstable, master)	1m 7s
test-on-ubuntu (ubuntu:rolling, master)	1m 18s
test-on-debian (debian:unstable, develop)	1m 9s
test-on-ubuntu (ubuntu:rolling, develop)	1m 6s
	14m 29s

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