Add newline between tests #405

Job	Run time
deploy	44s
test (3.7, lint)	49s
test (3.7, lint_docs)	2m 21s
test (3.7, mypy)	49s
test (3.7, unit-quick)	20m 23s
test (3.7, unit-diagnostic-servebasic-gx-dev)	6m 6s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-2105)	29m 2s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-2109)	32m 20s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-dev)	48m 10s
test (3.7, unit-nonredundant-noclientbuild-noshed-nogx)	1h 12m 52s
test (3.7, unit-diagnostic-serveclientcmd)	19m 9s
test (3.11, lint)	48s
test (3.11, mypy)	59s
test (3.11, unit-quick)	23m 1s
	4h 17m 33s

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